Added missing files.
Fixed typo.
Updated Welsh language file (thanks to Luke O'Sullivan).
Updated translations (courtesy of Josu Moreno).
Fixed escaping problems.
Removed accidentally-committed templates.
Merge branch 'release-2.3'

Conflicts:
	languages/eu.ini
Removed untranslated string.
Fix ChoiceAuth + password recovery.
Merge branch 'release-2.3'

Conflicts:
	languages/ca.ini
Outsourced tab rendering into separate template
Removed unused language strings.
Updated browse handlers.
Merge branch 'release-2.3'
More standardized determination of cover cache location.
Ability to clear caches through admin panel.
- Resolves VUFIND-990.
Added missing tests.
Added missing test.
Added more tests.
Require autoConfigure on for upgrading.