Translation additions from Markus Fischer.
Fixed broken code (totally invalid call).
Merge branch 'release-2.3'

Conflicts:
	themes/root/templates/help/home.phtml
Fixed lightbox login / Your Account link bug.
- Resolves VUFIND-1019.
Merge branch 'release-2.3'
More targeted parameter stripping.
- Resolves VUFIND-1020.
Merge branch 'release-2.3'
Fixed date converter to use the same timezone for conversion and display.
Make script respect JAVA_HOME variable.
btn-default added in missing places. Some button functionality in VuDL fixed.
Merge branch 'release-2.3'
Merge branch 'master' of https://github.com/vufind-org/vufind
Remove test logic, LESS cache, and test theme. Sorry guys.

This reverts some of commit 1f1da4063ee1a8d2eae26ebd67f3670dfafef49a.
Merge branch 'release-2.3'
Improve performance of getFullFieldFacets.
- eliminates unnecessary Solr work.
Rounded borders for date slider in sidebar.
Merge branch 'release-2.3'
Fixed notice.
Began framing out Primo connector test.
Style fixes.