added versioning/updating for customizations, and updated display logic for customizations on admin_index page

added customization function for only suggested_answers and annotations

updated logic around customizations display

customizations generate new templates or template versions

initial customization functionality

fixed bug where sections not editable, questions not saveable

fixed minor typo in admin_phase view

Merge branch 'final_schema' of https://github.com/DigitalCurationCentre/roadmap into final_schema

move plan list settings from project to plan

init commit of deep_copy for templates [untested]

fixed bugs introduced into templates by merge

fixed a few merge conflicts

added theme unit tests and started cleanup of remaining existing tests

merge in changes from origin

first port of plan creation and editing to new data model

port of plan creation and editing to new data model

Merge branch 'final_schema' of https://github.com/CDLUC3/roadmap into final_schema

added unit tests for question. removed unused methods from question. fixed guidance_for_question method so that it does not require us to pass in itself (was qustion.guidance_by_question(question, org) - now question.guidance_for_org(org)) and updated template that calls method accordingly

minor tweak to templates_history page

added templates history page

Merge branch 'final_schema' into final_schema

bugfixed display logic for editing phase, modifiability of questions, mass-assignment of questions

updated admin_previewphase action in templates controller

removed edit_version view from templates

formatting and style changes

resolved merge conflicts

merged final_schema changes into visibility

fixed merge conflicts

fixed merge conflicts in branding.yml and schema.rb

updated api templates endpoints to use new data access