Added methods to POST and PUT campaign report backs
Added API key http header authorization using auth.api filter
More unit tests for campaign actions

Updated reportback method to allow submission without requiring an existing campaign

Moved user validation to User model

Added complex conditional validation for email/mobile fields

users route changed back to use resourceful controller
Cleaned up spaces
Cleaned up spaces
Merge pull request #7 from codal-sara/feature

Added methods to submit and update campaign report backs