Merge branch 'purge_ansible_name' into release_3.2.0

* purge_ansible_name:
  Remove ansible reference from dev PKG-INFO
  Add back in PRIVILEGE_ESCALATION_METHODS inadvertantly removed
  Add awx_ and AWX_ environment vars and extra_vars alongside Tower
  Refactor some tower periodic tasks to label as awx
  Refactor Notification backend for tower -> awx
  Refactor fact cache plugin from tower -> awx
  Rename tower display plugins to awx display
  Mass rename from ansible_(awx|tower) -> (awx|tower)

awx/api/filters.py

@@ -20,7 +20,7 @@ from django.utils.translation import ugettext_lazy as _
 from rest_framework.exceptions import ParseError, PermissionDenied
 from rest_framework.filters import BaseFilterBackend
 
-# Ansible Tower
+# AWX
 from awx.main.utils import get_type_for_model, to_python_boolean
 from awx.main.models.credential import CredentialType
 from awx.main.models.rbac import RoleAncestorEntry

awx/api/metadata.py

@@ -16,7 +16,7 @@ from rest_framework import serializers
 from rest_framework.relations import RelatedField, ManyRelatedField
 from rest_framework.request import clone_request
 
-# Ansible Tower
+# AWX
 from awx.main.models import InventorySource, NotificationTemplate
 
 

awx/api/templates/api/api_root_view.md

@@ -1,4 +1,4 @@
-The root of the Ansible Tower REST API.
+The root of the REST API.
 
 Make a GET request to this resource to obtain information about the available
 API versions.

awx/api/templates/api/api_v2_root_view.md

@@ -1,4 +1,4 @@
-Version 2 of the Ansible Tower REST API.
+Version 2 of the REST API.
 
 Make a GET request to this resource to obtain a list of all child resources
 available via the API.