CSS Fixes to the research output readonly mode

Added readonly mode to research outputs

Added edition button on research ouput form

Merged DMPRoadmap V2.1.2

Moved Visibility form below feedback form

Added selectable ResearchOutput Type to ResearchOutput form

Datasets has been renamed as Research outputs

Moved datasets form to its own tab

Fix on footer position for small screens

Datasets integration

Table View Issue for Readonly Content of Plan and Template pages. ...

Changes:
- to re-style the readonly text tables with padding
- added the TinyMCE like styling to the Phase overview description

Fix for #2071.

The content of TinyMCE text area data viewed in readonly mode without thv TinyMCE editor had styling issues. ...

Added styling from TinyMCE to ensure that the readonly display had a similar overflow in y direction and table borders visible.

Fix for issue #2071.

Merge pull request #2082 from DMPRoadmap/issue1679 ...

Updated Usage page display to fix several issues.

Merged with DMPRoadmap:master

Further changes for Text field should be mandatory for option based questions. ...

Fix for issue #1725

The question_options field on the Customisable Phase template has the
following changes:
- the 'Text' label has the asterick for required.
- the error message for missing question option now reads
 "You must have at least one option with accompanying text."
- Corrected some Rubocop errors on the files added.

Merge pull request #2000 from DMPRoadmap/bug/fix_share_plan ...

Patch issue with share plans on development