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.