Changes were made to the HTML h tags - Issue 1451 (#2423) ...

* capture status

* Changes were made to the HTML h tags in order to make it more accessibility friendly and compliant

* Changes to make merge with development possible

* Fixe of the empty class

Added functionality to give warnings when links open in new windows. ...

The solution is based on the recommendation in "Techniques for WCAG 2.0" section
"G201: Giving users advanced warning when opening a new window":
"Example 2: Using CSS to provide a warning before opening a new window"
(cf., https://www.w3.org/TR/WCAG20-TECHS/G201.html)

Changes:

- any link in the views with target="_blank" has had css class "has-new-window-popup-info" to the link together with the span   <span class="new-window-pop-info"><%= _('Opens in new window') %></span>.
- The javascript script externalLink.js is used for external links that don't have the target="_blank" in the view.

Fix for issue #2175.

accessibility fix - add 'new window' text for screen readers when links has target=_blank (#1901) ...

added sr logic to download_plan submit button

Issue 532 (#1847) ...

* Replaced instances of `raw` with `sanitize`

* Updated Brakeman ignores

* Remove unnecessary sanitation

* Add support for TinyMCE tags

Add missing gettext markup to titles and skip main content link issues #1441 and #1442" (#1601)

Added `rake translatable:find` ...

ran gettext:find and fixed up en_US translations

added translatable:find task and fixed up a few files

added exception to po/pot backup files in gitignore

began fixing up pt_BR

added pt_BR translations

fixed issue with multiline translatable text on help page. reran translatable:find and fixed up app.pot, pt_BR, en_US and en_GB

fixed test

fixed another test

updated author comments

added devise and bootstrap translations for pt_BR

Page titles should be unique and descriptive #1441

Added privacy statement page for GDPR compliance needs

Merge pull request #1546 from DMPRoadmap/development ...

Pulling in minor bugfix