Add ReceptorAddress to root urls

- Add database contraints to make sure addresses
are unique
If port is defined:
address, port, protocol, websocket_path are unique together

if port is not defined:
address, protocol, websocket_path are unique together

- Allow deleting address via API
- Add ReceptorAddressAccess to determine permissions
- awx-manage add_receptor_address returns changed: True
if successful

awx/api/urls/urls.py

@@ -85,6 +85,7 @@ from .oauth2_root import urls as oauth2_root_urls
 from .workflow_approval_template import urls as workflow_approval_template_urls
 from .workflow_approval import urls as workflow_approval_urls
 from .analytics import urls as analytics_urls
+from .receptor_address import urls as receptor_address_urls
 
 v2_urls = [
     re_path(r'^$', ApiV2RootView.as_view(), name='api_v2_root_view'),
@@ -155,6 +156,7 @@ v2_urls = [
     re_path(r'^bulk/host_create/$', BulkHostCreateView.as_view(), name='bulk_host_create'),
     re_path(r'^bulk/host_delete/$', BulkHostDeleteView.as_view(), name='bulk_host_delete'),
     re_path(r'^bulk/job_launch/$', BulkJobLaunchView.as_view(), name='bulk_job_launch'),
+    re_path(r'^receptor_addresses/', include(receptor_address_urls)),
 ]