* based on contribution from iptech
* replaced origional web scripts with versions that compliement and extend exitsing tagging REST API
* updated UI to use changed webScripts
* fixed rename action caps sensitivity (rename with different capitalisation, but same name deleted tag!)
* tested
Also fixes:
* ALF-8688 - Can't remove a tag from the tag list
* ALF-4710 - Share Impossible to Permanently Remove Content Tags
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@29327 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261