Updated wsgi.py to get the lib path from distutils.sysconfig

* also re-added the WSGISocketPrefix line to the apache config,
  since that was broken on RHEL systems, however it is now changed
  to be in /var/run instead of just run (relative to the httpd root)
  which didn't work on Ubuntu systems.

awx/wsgi.py

@@ -13,12 +13,13 @@ https://docs.djangoproject.com/en/dev/howto/deployment/wsgi/
 import os
 import sys
 from awx import MODE
+from distutils.sysconfig import get_python_lib
 
 # Update the default settings environment variable based on current mode.
 os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'awx.settings.%s' % MODE)
 
 # Add local site-packages directory to path.
-local_site_packages = os.path.join(os.path.dirname(__file__), 'lib',
+local_site_packages = os.path.join(get_python_lib(), 'awx', 'lib',
                                    'site-packages')
 sys.path.insert(0, local_site_packages)
 

config/awx.conf

@@ -1,4 +1,5 @@
 NameVirtualHost *:80
+WSGISocketPrefix /var/run/wsgi
 
 <VirtualHost _default_:80>
   ServerName localhost