updating gem spec to use fog 1.15.0
updating user agent string to include rumm version
fixing typo in volumes provider
Merge pull request #61 from rackspace/user_agent

User agent
v0.0.23
Merge branch 'master' of github.com:rackspace/rumm
remove size validation on volume creation.

fixes #62
Merge pull request #58 from BastionFennell/users

add create/delete/update commands for users
update badges to accomodate the repository moving
Cleaned up user output
Added an "if empty" case to show all commands
Added update functionality for servers
Made update view more informative
Added help for servers update functionality