Keystone authentication improvements
Adding Nova detection and auto-setup
Fixed some minor issues.
Fixes to http_check for keystone token
Added Swift and Cinder auto-detection and setup.
Merge pull request #14 from hpcloud-mon/feature/keystone-improvements

Feature/keystone improvements, Nova, Swift, and Cinder Auto-Detection and Setup.
Merge branch 'master' into feature/collector-plugin-improvements

Conflicts:
	monagent/collector/checks_d/http_check.py