Implement a specialized ContentResponseBuilder method for Evaluations.
Implement a specialized ContentResponseBuilder method for Evaluations.

We override the _addEntity method to add a row for each evaluation for
every project entity fetched.

TODO (madhu): Add the row only if the survey has started.
TODO (madhu): Add the row only if the previous survey has passing evaluation.

--HG--
extra : rebase_source : d637e218e1051283b9c9653d26492d60b25c9991

rhyolight/nupic.son,rhyolight/nupic.son,rhyolight/nupic.son