PLD: add field to show xform active status
PLD: remove active, add check_obj decorator
PLD: use wraps add to project serializer
PLD: more check_obj
PLD: revert reversed check
PLD: add downloadable as an updatable field
PLD: update docs to say title is required
Merge pull request #657 from onaio/add-active

Use decorator to check for object in serializers