digitalgreenorg/dg — pull request #153 by shreyjairath (2013-07-25 14:51:09+00:00)
Title: Bug Fix: Infinite ajax reqs when no data returned

+ giving the "dataProcessed" event the meaning of "add" event
+ only when some data was added to local collection this event is triggered
+ each datafeed needs to return the processed data so that we can check whether any data was added