diff --git a/README.md b/README.md
index 08aa1e1..5763c4b 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,8 @@
 >     > cp config/database_example.yml config/database.yml
 >     > cp config/secrets_example.yml config/secrets.yml
 
+* Create an environment variable for your instance's secret (as defined in config/secrets.yml)
+
 * Run bundler and perform the DB migrations
 
 >     > gem install bundler (if bundler is not yet installed)
diff --git a/db/migrate/20130708092900_devise_create_admin_users.rb b/db/migrate/20130708092900_devise_create_admin_users.rb
index ed09342..fec1f73 100644
--- a/db/migrate/20130708092900_devise_create_admin_users.rb
+++ b/db/migrate/20130708092900_devise_create_admin_users.rb
@@ -2,7 +2,8 @@
   def migrate(direction)
     super
     # Create a default user
-    AdminUser.create!(:email => 'admin@example.com', :password => 'password', :password_confirmation => 'password') if direction == :up
+# briley - 2016-06-06 -- removed obsolete AdminUser creation. Model no longer exists in code base!
+#    AdminUser.create!(:email => 'admin@example.com', :password => 'password', :password_confirmation => 'password') if direction == :up
   end
 
   def change
diff --git a/db/schema.rb b/db/schema.rb
index 45e8346..5134e56 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -18,8 +18,8 @@
     t.integer  "plan_id"
     t.integer  "user_id"
     t.integer  "question_id"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "answers_options", id: false, force: true do |t|
@@ -33,8 +33,8 @@
     t.integer  "user_id"
     t.integer  "question_id"
     t.text     "text"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.boolean  "archived"
     t.integer  "plan_id"
     t.integer  "archived_by"
@@ -46,8 +46,8 @@
     t.boolean  "published"
     t.integer  "user_id"
     t.integer  "organisation_id"
-    t.datetime "created_at",      null: false
-    t.datetime "updated_at",      null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.string   "locale"
     t.boolean  "is_default"
   end
@@ -61,8 +61,8 @@
     t.integer  "plan_id"
     t.integer  "user_id"
     t.string   "format"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "file_types", force: true do |t|
@@ -70,8 +70,8 @@
     t.string   "icon_name"
     t.integer  "icon_size"
     t.string   "icon_location"
-    t.datetime "created_at",    null: false
-    t.datetime "updated_at",    null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "file_uploads", force: true do |t|
@@ -82,8 +82,8 @@
     t.boolean  "published"
     t.string   "location"
     t.integer  "file_type_id"
-    t.datetime "created_at",   null: false
-    t.datetime "updated_at",   null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "friendly_id_slugs", force: true do |t|
@@ -100,8 +100,8 @@
   create_table "guidance_groups", force: true do |t|
     t.string   "name"
     t.integer  "organisation_id"
-    t.datetime "created_at",      null: false
-    t.datetime "updated_at",      null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.boolean  "optional_subset"
     t.boolean  "published"
   end
@@ -116,8 +116,8 @@
   create_table "guidances", force: true do |t|
     t.text     "text"
     t.integer  "guidance_group_id"
-    t.datetime "created_at",        null: false
-    t.datetime "updated_at",        null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.integer  "question_id"
     t.boolean  "published"
   end
@@ -126,8 +126,8 @@
     t.integer  "organisation_id"
     t.integer  "option_id"
     t.text     "text"
-    t.datetime "created_at",      null: false
-    t.datetime "updated_at",      null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "options", force: true do |t|
@@ -135,15 +135,15 @@
     t.string   "text"
     t.integer  "number"
     t.boolean  "is_default"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "organisation_types", force: true do |t|
     t.string   "name"
     t.text     "description"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "organisations", force: true do |t|
@@ -155,8 +155,8 @@
     t.string   "domain"
     t.string   "wayfless_entity"
     t.integer  "stylesheet_file_id"
-    t.datetime "created_at",           null: false
-    t.datetime "updated_at",           null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.integer  "parent_id"
     t.boolean  "is_other"
     t.string   "sort_name"
@@ -169,8 +169,8 @@
     t.text     "description"
     t.integer  "number"
     t.integer  "dmptemplate_id"
-    t.datetime "created_at",     null: false
-    t.datetime "updated_at",     null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.string   "slug"
   end
 
@@ -181,8 +181,8 @@
     t.integer  "user_id"
     t.integer  "section_id"
     t.integer  "plan_id"
-    t.datetime "created_at",   null: false
-    t.datetime "updated_at",   null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.datetime "release_time"
   end
 
@@ -190,8 +190,8 @@
     t.boolean  "locked"
     t.integer  "project_id"
     t.integer  "version_id"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "project_groups", force: true do |t|
@@ -199,8 +199,8 @@
     t.boolean  "project_editor"
     t.integer  "user_id"
     t.integer  "project_id"
-    t.datetime "created_at",            null: false
-    t.datetime "updated_at",            null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.boolean  "project_administrator"
   end
 
@@ -214,8 +214,8 @@
   create_table "projects", force: true do |t|
     t.string   "title"
     t.integer  "dmptemplate_id"
-    t.datetime "created_at",                        null: false
-    t.datetime "updated_at",                        null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.string   "slug"
     t.integer  "organisation_id"
     t.string   "grant_number"
@@ -232,8 +232,8 @@
   create_table "question_formats", force: true do |t|
     t.string   "title"
     t.text     "description"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "questions", force: true do |t|
@@ -245,8 +245,8 @@
     t.integer  "dependency_id"
     t.text     "dependency_text"
     t.integer  "section_id"
-    t.datetime "created_at",                            null: false
-    t.datetime "updated_at",                            null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.integer  "question_format_id"
     t.boolean  "option_comment_display", default: true
   end
@@ -260,8 +260,8 @@
 
   create_table "roles", force: true do |t|
     t.string   "name"
-    t.datetime "created_at",    null: false
-    t.datetime "updated_at",    null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.boolean  "role_in_plans"
     t.integer  "resource_id"
     t.string   "resource_type"
@@ -276,8 +276,8 @@
     t.integer  "number"
     t.integer  "version_id"
     t.integer  "organisation_id"
-    t.datetime "created_at",      null: false
-    t.datetime "updated_at",      null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.boolean  "published"
   end
 
@@ -286,32 +286,32 @@
     t.text     "value"
     t.integer  "target_id",   null: false
     t.string   "target_type", null: false
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   add_index "settings", ["target_type", "target_id", "var"], name: "index_settings_on_target_type_and_target_id_and_var", unique: true, using: :btree
 
   create_table "splash_logs", force: true do |t|
     t.string   "destination"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "suggested_answers", force: true do |t|
     t.integer  "question_id"
     t.integer  "organisation_id"
     t.text     "text"
-    t.datetime "created_at",      null: false
-    t.datetime "updated_at",      null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.boolean  "is_example"
   end
 
   create_table "themes", force: true do |t|
     t.string   "title"
     t.text     "description"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.string   "locale"
   end
 
@@ -324,29 +324,29 @@
     t.integer  "user_id"
     t.integer  "organisation_id"
     t.integer  "user_role_type_id"
-    t.datetime "created_at",        null: false
-    t.datetime "updated_at",        null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "user_role_types", force: true do |t|
     t.string   "name"
     t.text     "description"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "user_statuses", force: true do |t|
     t.string   "name"
     t.text     "description"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "user_types", force: true do |t|
     t.string   "name"
     t.text     "description"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   create_table "users", force: true do |t|
@@ -357,8 +357,8 @@
     t.string   "shibboleth_id"
     t.integer  "user_type_id"
     t.integer  "user_status_id"
-    t.datetime "created_at",                          null: false
-    t.datetime "updated_at",                          null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.string   "encrypted_password",     default: ""
     t.string   "reset_password_token"
     t.datetime "reset_password_sent_at"
@@ -399,8 +399,8 @@
     t.boolean  "published"
     t.integer  "number"
     t.integer  "phase_id"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
   add_index "versions", ["phase_id"], name: "index_versions_on_phase_id", using: :btree