#1288 HTML5 UI

Merge pull request "New html5 based UI" from Maria Arias
Widgets / toggle on clicking on section title (and not only icon).
HTML5UI / Ignore minified JS.
HTML5UI / Remove unused CSS.
Widgets / Suggestion / Add css class for custom styling.
HTML5UI / Add missing styling.
HTML5UI / Simplify URLs. Add missing OpenSearch link. Fix RSS link and duplicated href attribute.
Merge remote-tracking branch 'origin/master'

Conflicts:
	web-client/src/main/resources/apps/html5ui/css/gnmetadatadefault.css
	web-client/src/main/resources/apps/html5ui/css/gnmetadataview.css
	web/src/main/webapp/xsl/search.xsl