Add RailsSchemaUpToDate Hook

Change-Id: I0d72670f215b79a46bce84abaf7f6fcc7a990b37
Reviewed-on: http://gerrit.causes.com/37946
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>
Clean up RailsSchemaUpToDate

Address all Rubocop warnings.

Change-Id: Iaeb984a988fd4910d0c21103473504e58120b1b0
Reviewed-on: http://gerrit.causes.com/37947
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>