Added missing string.
Improvements to EZB resolver driver
- Omit empty parameters from downgraded OpenURL
- Eliminate hard-coded service_type values
Removed unnecessary line.
Language file cleanup.
Progress on Italian translation (courtesy of Andrea Marchitelli).
Merge branch 'release-2.3'

Conflicts:
	languages/de.ini
Fixed bug with top facet rows/cols.
Merge branch 'release-2.3'
Line ending cleanup.
Completed Italian translation from Andrea Marchitelli.
Updated Greek translation (thanks to Giannis Kourmoulis).
Merge branch 'release-2.3'
Reverted problematic change (with comments).
VuDL fixes to scrolling behaviour and bottom item padding.
Merge branch 'release-2.3'
VuDL fix 2 - Bootstrap 2
Merge branch 'release-2.3'
DPLA recommendation module.
VuDL fixes and Cover generator work migrated from another branch.
Updated version number.