added lograge into production
Merge pull request #110 from jpslav/lograge

added lograge into production
Updated Representable gem; Updated search API to match other OpenStax products; Removed application_id from representers for ApplicationUser and ApplicationGroup
Added readable:true and writeable:true to all attributes that were missing those (required for the schema printer to function properly after the update to Representable)
Lock down the minor version of representable
Search indices