Added new OpenStack services
Merge pull request #19 from hpcloud-mon/feature/add-services

Added additional support for Ceilometer, Neutron, Keystone and Glance auto-configuration. Added some infrastructure for auto-configuring alarms. Also fixed some issues with the Keystone token handling.
Adjusted whitespace for pep8 compliance
Fix E721 -  do not compare types, use 'isinstance()'
Fixed various pep 8 warnings