Cleanup
Wire the Advanced preference to a real strings file.

The nib file change is a removal of the binding on the title column.
Merge remote-tracking branch 'tiennou/advanced-pref-l12n'

Conflicts:
	Quicksilver/Quicksilver.xcodeproj/project.pbxproj
add thenew QSAdvancedPrefPane strings files to the transifex project
set an abbreviation when running the "Assign Abbreviation" action

The new abbreviation was being created in Mnemonics.plist under "implied", but not under "abbreviation".
Merge pull request #1374 from skurfer/abbreviation

set an abbreviation when running the "Assign Abbreviation" action