Fixed models & schema annotations

Changes following migrations

Add extra validations for all models ...

- Includes specs using the Shoulda gem
- Includes a refactoring of update_numbers to a "sortable" abstraction

Add annotate gem for models and Gemfile

added a test that searches for missing translations. Added specific error messages for model validations. Added some devise controlled error messages to pot/po files DMPRoadmap/roadmap#236

removed region_group (and underlying table) and replaced with has_and_belongs_to_many relationship on Region so that we can do region.super_region and region.sub_regions. Added unit tests for Region

Merging master (#20) ...

* added data structures for testing

* renamed token_permission_type to plural to follow convention of fixtures

* added gem to allow testing of controllers

* began implimenting testing for projects controller

* fixed auth to reject empty string

* added data structures for testing

* added data structures for testing

* removed old unnecissary data structures from fixtures

* added forgotten view for org-admins giving user's api permissions

* updated .gitignore

* added gem to allow testing of controllers

* began implimenting testing for projects controller

* fixed auth to reject empty string

* added data structures for testing

* added data structures for testing

* removed old unnecissary data structures from fixtures

* added forgotten view for org-admins giving user's api permissions

* updated .gitignore

* fixed leftover merge conflict in .gitignore

* updated org-admin view of users for rails 4.2 compatability

* fiexed a bug where user's api token permissions wouldnt display

* fixed syntax error

* changed guidance_group to guidance_groups for consistancy with api spec

* fix roadmap route

* bugfixing auth for api

* removed token_permission as it was accidentially re-added by a merge

* added gem to allow testing of controllers

* began implimenting testing for projects controller

* fixed auth to reject empty string

* added data structures for testing

* added data structures for testing

* removed old unnecissary data structures from fixtures

* added forgotten view for org-admins giving user's api permissions

* updated .gitignore

* removed old unnecissary data structures from fixtures

* updated .gitignore

* updated org-admin view of users for rails 4.2 compatability

* fiexed a bug where user's api token permissions wouldnt display

* fixed syntax error

* changed guidance_group to guidance_groups for consistancy with api spec

* bugfixing auth for api

* modified schema

* removed admin interface to token_permission, another forgotten side-effect

* removed admin interface to token_permission, another forgotten side-effect

* modified return structure of guidance_groups API to reflect current spec

* removed guidances api endpoint as no longer necissary

* added templates api endpoint

* commit

* commit

* initial commit of untested statistics API

* updated Statistics API and added bugfixes

* added aditional seeds for api token_permission_types

* added docs for stats api, also passing tests

* added fucntionality to give org_admin priveleges through the org_admin interface

* corrected statistics API to handle null dates and filter projects correctly

* addedrestriction that users must be confirmed to be counted by stats api

* added documentation to dmptemplates api controller

* added org_id field to plans metadata as a returned plan can belong to somebody else's organisation

* initial passover of removing magic strings

* added comment to I18n_constant and fixed missing magic string

* fixed the magic strings function

* removed duplicate gem from gemfile

* migrations and routes tests

* changed gem dependancies and fixed syntax bug

* fixed bug where show plans view only displayed first letter of columns

* aliased

* added documentation to organisation, phase, and part of plans

* added documentation to organisation, phase, and part of plans

* added documentation to model for plan

* added documentation to project model

* added documentation to project_group model

*  added documentation to remaining models

* fixed admin logout bug

*  removed hard-coded references to DCC

* fixed bug in dmptemplate with magicstrings

* dropdown and org language setting

* test

* commit

* migrations and routes tests

* aliased

* dropdown and org language setting

* test

* remove typo

* fixed parentheses bug in api/projects_controller

* fix

* merging

* remove git merge conflicts artifacts

* added gemfile, environments, and an initaliser to allow merge

* fix locales picking

* super_admin area for languages, changes to langauge initializer to fix migrations issue and org language priority in user language picking

* add association between organisation and language