Merge branch 'release_3.2.1' into devel

* release_3.2.1:
  fallback to empty dict when processing extra_data
  fix migration problem from 3.1.1
  move 0005a migration to 0005b
  feedback on ad hoc prohibited vars error msg
  Fix the way we include i18n files in sdist
  Fix migrations to support 3.1.2 -> 3.2.1+ upgrade path
  fix missing parameter to update_capacity method
  fix WARNING log when launching ad hoc command
  Validate against ansible variables on ad hoc launch
  do not allow ansible connection type of local for ad_hoc
  work around an ansible 2.4 inventory caching bug
  fix scan job migration unicode issue
  Assert isolated nodes have capacity set to 0 and restored based on version
  Set capacity to zero if the isolated node has an old version

setup.py

@@ -155,9 +155,7 @@ setup(
     },
     data_files = proc_data_files([
         ("%s" % homedir,        ["config/wsgi.py",
-                                 "awx/static/favicon.ico",
-                                 "awx/locale/*/LC_MESSAGES/*.po",
-                                 "awx/locale/*/LC_MESSAGES/*.mo"]),
+                                 "awx/static/favicon.ico"]),
         ("%s" % siteconfig,      ["config/awx-nginx.conf"]),
         #        ("%s" % webconfig,      ["config/uwsgi_params"]),
         ("%s" % sharedir,       ["tools/scripts/request_tower_configuration.sh","tools/scripts/request_tower_configuration.ps1"]),