Added a missing accessor to Network class.
Implemented delete() method for Volume class.
Implemented grant() method for User class.
Updated grant() method of User to set multiple billing codes and groups.
Add property descriptions
Merge pull request #25 from jaronson/jaronson

Add missing lazy properties
Allow display of servers in a TERMINATED state.
Merge pull request #26 from enStratus/server-all

Allow display of servers in a TERMINATED state.
Ability to list environments for CM
Merge pull request #27 from enStratus/environments

Ability to list environments for CM
Testing server launches with environments
Can now launch into a specified CM environment.
Merge pull request #28 from enStratus/environments

Can now launch into a specified CM environment.
Testing LaunchConfiguration.
Initial VolumeConfiguration.
Merge pull request #30 from enStratus/launch-during

Basic LaunchConfiguration during Server Launch
Merge branch 'master' of github.com:enStratus/mixcoatl
Added a function to assign cloud subscription to account.
fixed vlan problem. fixed indentation.
fixed a problem caused by missing cloud subscription ID.