initial devstack + essex

* update horizon apache config
* updates apts for horizon
* better logging for horizon
* keystone conf settings
* only add swift endpoint if it is enabled
* new nova paste

Change-Id: I1edacbe5d8adc4bd5265d36abcaf01ce5490aefd
diff --git a/files/apts/horizon b/files/apts/horizon
index 6f145e1..aa08a31 100644
--- a/files/apts/horizon
+++ b/files/apts/horizon
@@ -13,3 +13,8 @@
 pep8
 python-eventlet
 python-nose
+python-sphinx
+python-mox
+python-kombu
+python-coverage
+python-cherrypy3 # why?