add EC2Service to wrap EC2Connection calls; add basic funtionality to list/filter instances
extend EC2Instance with tag support; filter public dns by running instances
only initialize necessary variables
Merge branch 'feature/tag-support' into develop
allow attaching to an existing EC2 instance
change terminate default value to False
adding documentation stubs
add initial docs for using with fabric
update README and add simple example to docs index
clarify header in fabric docs
make Contents a header in index
add hostnames() method to api and update docs
re-try SSH connection if paramiko.SSHException is caught
fix string formatting reference
make admin groups configurable
remove password generation logic
rename hostnames() to ec2_hostnames(); add new ec2_instances() method that returns a list of EC2Instances based on search filters
enable shorter SSH timeout in _wait_for_ssh
changed encryption to use LUKS
Merge branch 'develop' of github.com:Scottm-Caktus/fabulaws into develop