Merge remote-tracking branch 'upstream/release_2.3' into devel

* upstream/release_2.3: (91 commits)
  Include python-{paramiko,ecdsa} dependencies
  Remove extra epel testing stanzas
  Unit test for ec2 credentialless inventory
  Fix issue with ec2 iam sync with no credential.
  Use the htpasswd command instead the ansible module
  Pip is no longer needed
  check local user root or not in ./configure
  Remove unneeded when check for super user addition
  Improve distro detection in setup.sh
  Fix superuser check on upgrade
  Minor improvements to setup.sh
  Remove ansible prerequisite check from configure
  Attempt to install ansible within setup.sh
  Allow munin processes to access postgres
  Move up base package dependency install
  fixes jenkins failures
  Proper flake8 fix
  fixes executing processes with correct PYTHONPATH will pickup .pth files
  Show the repo for bundled package file dump
  Proper flake8 fix
  ...

awx/__init__.py

@@ -4,6 +4,7 @@
 import os
 import sys
 import warnings
+import site
 
 __version__ = '2.4.0'
 
@@ -39,7 +40,10 @@ def prepare_env():
     # Add local site-packages directory to path.
     local_site_packages = os.path.join(os.path.dirname(__file__), 'lib',
                                        'site-packages')
-    sys.path.insert(0, local_site_packages)
+    site.addsitedir(local_site_packages)
+    # Work around https://bugs.python.org/issue7744
+    # by moving  local_site_packages to the front of sys.path
+    sys.path.insert(0, sys.path.pop())
     # Hide DeprecationWarnings when running in production.  Need to first load
     # settings to apply our filter after Django's own warnings filter.
     from django.conf import settings