Added basic integration for opened requisitions
added new couch view for requisitions
added test
Merge remote-tracking branch 'origin/master' into opened-requisitions-integration
Added ability to submit stock data and retrieve requisitionId from OpenLMIS.
code refatored
added sending notification when requisition status changed to AUTHORIZED
removed unnecessary signal
Some code refactoring
code refactoring: renamed signal, also moved some logic to commtrack signal.
added integration for the ApprovedRequisition
Updated 'supply_point_modified' signal conditions.
Merge branch 'master' into openlmis-ApprovedRequisition

Conflicts:
	corehq/apps/commtrack/signals.py
	custom/openlmis/commtrack.py
	custom/openlmis/signals.py
	custom/openlmis/tests/test_apis.py
removed skipped conflict
Merge branch 'opened-requisitions-integration' into openlmis-AllIntegrations

Conflicts:
	custom/openlmis/commtrack.py
Merge branch 'Supply_point_modified_update' into openlmis-AllIntegrations

Conflicts:
	custom/openlmis/signals.py
Merge branch 'SubmitRequisitionIntegration' into openlmis-AllIntegrations

Conflicts:
	custom/openlmis/signals.py
removed unnecessary view
Merge pull request #1919 from lwyszomi/openlmis-AllIntegrations

OpenLMIS all integrations