Updated factories & models annotations

Merged DMP Roadmap V2.1.4

Renamed privately_private & private visibility as private & administrator visibility

Added comment on rewritten methods in controllers, models ...

Replaced include by prepend for DMPOPIDoR modules

Merge pull request #2244 from DMPRoadmap/issue2095 ...

Updated logic in Plan.num_answered_questions to allow for Phase context

fixed issue with progress bar totals ...

updated logic to allow for phase sepcific progress or total progress

updated plan

Refactored num_answrered_questions

Fix for improving search functionality of plans in Admin area. ...

Changes:
Allow search based on Owner/Principal investigator (based on principal_investigator or principal_investigator_identifier.

Fix for #2236

Merged DMPRoadmap V2.1.3

Plans with Organisation visibility are now displayed even if not complete

Fix to plan owner name display in Dashboard

Fixed missing research output abbreviation & fullname when creating a plan

Merged DMPRoadmap V2.1.2

Renamed ResearchOutputs columns

Datasets has been renamed as Research outputs

fix issue where displayed plan owner was not the creator

Fixed plan copy for plans with datasets

fix issues with plan spec (#2142)

remove unneeded comments, remove further references to reviewer role from tests, dry up refactored tests

Datasets integration

removed references to role.reviewer

refactored review access from role to permission

Pre-fill ID on the plan details page. ...

Changes:
  - the default plan :identifier is set to the plan :id on creation in the
    PlanControllers create method.
  - added a method add_identifier to Plan model.

Fix for issue #2089

Added code to make Search functionality case-insensitive. ...

Changes:
   - relevant models with :search scope updated with lower casing  of the column
     values and the search parameters.
   - fixed all rubocop warnings on the changed models except
     "Style/RedundantReturn: Redundant return detected."

   Note: one could not use 'ILIKE' in WHERE clauses changed as it is not supported by MariaDB and MySql.
   Hence we use lower() in changed WHERE clauses.

 Fix for issue #2080

Fixed models & schema annotations

Commented overridden methods in controllers & models

Fix on mixins calls in helpers & models

Separated core code from ours improvements for the new visibility

Merged with DMPRoadmap:master

added check to feedback_requested (#2012)