Collection added,userprefereces added for loom, image library, Tags,Priorposteriors,Relations updates for wiki
Merge pull request #1 from anujag/master

 Collection added,userprefereces added for loom, image library, Tags,priorposterior,relations updates
modified loom module with ajax refresh in adding responses.
Merge pull request #3 from Dhiru/master

Responses will be updated through ajax in the loom
search & pagination features added in wikipage module.
Merge pull request #4 from supriyasawant/master

search & pagination added to wikipage module.
Changes that are left out in commit on 08/03/2013.
Wetube, Tagcloud features are also added.