Item11832: restored link targets; Item12315: recoded JS for more recent jQuery version; now minimum 1.7.0 required; added checker for jquery version; Item8894: after edit, redirect back to the linking topic

git-svn-id: http://svn.foswiki.org/trunk@16567 0b4bb1d4-4e5a-0410-9cc4-b2b747904278