messaging system from admin to users by group [MJ-188, MJ-184]
added test and factory for message [MJ-188, MJ-184]
added tests and a few bug fixes [MJ-188, MJ-184]
message system attempt #2 [MJ-184, MJ-188]
no active flag [MJ-184, MJ-188]
comments
added editable button for messages [MJ-184, MJ-188]
Remove link to non-existent inbox. MJ-188 MJ-184.
Merge pull request #375 from DirectEmployers/message

Messaging system from admin to users [MJ-188, MJ-184]