v1.9.1: Merge pull request #827 from onaio/include-team-users-perms-migration

#814 Xform meta permissions
#824 Add id_string to the form info returned by the projects endpoint.
#822 Update full json dict on submission edit.
#819 Form id validation.
#816 Validate password during email update.

Important management commands required:
python manage.py reassign_permission logger project all view_project_all view_project_data
python manage.py reassign_permission logger xform all view_xform_all view_xform_data

v1.9.0: Merge pull request #813 from onaio/flakey-test-fix

• Require password when updating email
• Fix for linked form loading error

v0.14

UK: set OwnerRole permissions to form

v0.13: Merge pull request #694 from onaio/690_return_json_object_in_xls_report

Checks for a external export template

v0.12: Merge pull request #657 from onaio/add-active

Use decorator to check for object in serializers

v0.11: Merge pull request #626 from onaio/624_aws_links

return download_url to images that does not require auth

v0.10: Merge pull request #598 from onaio/592-project-endpoint-refactor

592 project endpoint refactor

v0.9: Merge pull request #586 from onaio/simplify-create-instance

PLD: remove proceed_to_create_instance since raise DuplicateInstance han...

v0.8: Merge pull request #566 from onaio/554-role-change-endpoint

554 role change endpoint

v0.7: Merge pull request #543 from onaio/529-Add-download-form-as-XLSForm

DW: Added download form as an xls functionality