Merge pull request #2 from gdborton/master

Change triggered send messages to use GUID strings instead of long IDs.
changed account sendlimits summary to use collections instead of ojbects
added "status" edge to sendlimits
Adding version, created, modified and last sent data to triggered send get routes
eliminated comments from POST messages/triggered
updated triggeredSend Model
Adding Contacts Group to conatin Contacts API routes.
modified account events routes
modified account Events summary
updated account events
modified Message Events
updated message events daily
updated message events hourly
Transferring blueprint from apiary.io
Transferring blueprint from apiary.io
removed duplicate accountId from messages/triggered/status
updated account events daily
Transferring blueprint from apiary.io
updated account messages status
replaced total with count whenever we are returning a count that is not guaranteed to be the total sum