double managment model & UI
add test cases for normal module
add xml for double management to suite and form
convert input_trans to tag
add label, image and audio for case list form
disable for advanced module
Merge branch 'master' into double-management
better is_registration_form
better error messages

Conflicts:
	corehq/apps/app_manager/templates/app_manager/partials/build_errors.html
fix blocktrans
Merge branch 'master' into double-management

Conflicts:
	corehq/apps/app_manager/tests/test_suite.py
pep8 [ci skip]
Merge branch 'schedule' into double-managment+schedule
Merge branch 'double-management' into double-managment+schedule

Conflicts:
	corehq/apps/app_manager/templates/app_manager/form_view_base.html
	corehq/apps/app_manager/templates/app_manager/module_view.html
Merge branch 'schedule' into double-managment+schedule
Merge branch 'master' into double-management
Merge branch 'master' into double-managment+schedule
Merge branch 'double-management' into double-managment+schedule
Update staging.yaml

[ci skip]
Merge branch 'double-managment+schedule' into autostaging