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

Replaced include by prepend for DMPOPIDoR modules

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

updated Role, Plan logic and fixed tests

updated export logic

updated section/question export logic in helper

Fixed plan list

Refactor plan exports. Extract into own resource

Fix for "Plan Download". ...

This is a clean up of code based on PR comments.

Also updated the ExportablePlan helper method as_csv() to work with the selections made on the Plan Download page.

Issue #1730

Fix for "Plan download file not filtering on selection on Download page". ...

Issue #1730

Also included is a fix for rendering if saving a new plan or editing a plan that results in
errors.

Refactored model code for better readability

Added Plan Owner in DMP List

Added new plan visibility setting

Replace institution with organisation for UI messages. DMPRoadmap/roadmap#1085

switched test plan visibility back to 'private' instead of 'N/A'

finished plan share and edit pages. Updated styling and handling or alert/notice messages. Updated css to allow background color, alert message and notice message colors to be set in dmproadmap.scss

updated column positions, project title lengths, and action item into dropdown list DMPRoadmap/roadmap#418

added new roadmap logo. started applying new css to plan edit page

updated plan visibility language

added plan visibility to edit/view plan details DMPRoadmap/roadmap#151

started converting over to the new column layout on view plans page

Co-owner shouldn't be able to adjust their own rights

public_plans view according to gettext. DMPRoadmap/roadmap#167

language fixes post merge

finalized helper tests. additional tweaks to Plan tests

renamed projects_helper to plans_helper. moved template.settings tests to settings:template_test

Added fix for issues when displaying column headings on the view plans page. Setup and 'Unknown' column heading that defaults to ' - ' but is updateable in the locale files. If there are issues determining the column heading it will use that value