Word counting by service implemented. Issue #49
More sane character delimiting for word count issue #49
WordCounts aggregated by Topics, a defined group of words issue #49
Analytics now returns GraphData objects to aggregate word counts and sentiments for graphing
All services now set the conversation created to the first messages original creation date. Issue #61
Issue #45 - Email doesnt set message created date
WordCounts only saved for interesting topics. Refactored WordCount to point to topic. Added Topics. Issue #49
Random sentiment data for ui testing. Issue #63
Merging analytics features