extract base view template for form view
Merge branch 'master' into formviewbase

Conflicts:
	corehq/apps/app_manager/templates/app_manager/form_view.html
	corehq/apps/app_manager/templates/app_manager/form_view_advanced.html
	corehq/apps/app_manager/templates/app_manager/form_view_careplan.html
Merge pull request #3823 from dimagi/formviewbase

extract base view template for form view