Schema and data migration for associating partner to data.
--Saving partner when saving the data.
--Added models and final migrations.
--modified partner migration. Changed authorization to filter  data
based on both partner and village
--Removing prints
--partner bug fix..partner was not getting saved.
--Video was not getting saved on sandbox.
--First version of partner data migration
--COCO Partner Migration..
Merge branch 'master' into coco_partner_migration
--Comments of Aadish incorporated.
Merge branch 'coco_partner_migration' of https://github.com/digitalgreenorg/dg into coco_partner_migration
Merge remote-tracking branch 'origin/master' into coco_partner_migration
error in variable name rectified
--added partner to video admin
Merge pull request #292 from digitalgreenorg/coco_partner_migration

Coco partner migration