Merge pull request #20 from widagroup/master

Implemented signalR corrected + started to implement callbacks - need to write the javascript now.
Refactored javascript to named variable functions + push notifications working + fixed renderviewtostring
Changed reference to cache to MemoryCache (as MS recommends) + Implemented client messaging with SignalR that doesnt message the requestor
Implemented some of the client broadcast methods - need to fix the createcategory method.
Merge pull request #19 from thatcoderguy/master

merge changes