Releases for Taxonomy Delegate

#256432 by NancyDru for MissyM, fletchgqc - fixed delegation save logic.
Minor Coder finds fixed.
#272897 by NancyDru for matteo.boria - corrected missing t usage in form.
#272897 by NancyDru, matteo.boria - Italian translation.
#279619 by NancyDru, drewish - fixed query on free-tagging.
Corrected display of description.

Rolling up changes - see CVS log

Added ability to change the menu title; moved settings into separate file.

Stable official release for 5.x

Added ability to hide advanced option on term add/edit page.

First shot at 6.x.

First beta version.