Only update security groups if  is passed as an option. Show warning otherwise
Moved security_group into it's own module for clarity, setup warning for non-update and message for update on launch
Initial implementation of security groups authorizing other security groups
Changed configuration to allow for specific port binding for groups
Updated README
Launch machines with a node group of the role, not the machine name if it exists in the config
Merged changes on block_mappings
Updated example config with group keyword
Removed RegionInfo from the keyname with launch config without group: specified
Removed RegionInfo from the keyname with launch config without group: specified
Merge branch 'master' of github.com:auser/saltcli

* 'master' of github.com:auser/saltcli:
  Updated example config with group keyword
Redo security group authorization to include groups via their name
Merge pull request #2 from auser/master

Updated with new block_mappings