Added 'unf' gem into gemspec to get rid of fog warning
Merge pull request #88 from mfojtik/add_unf_gem

Added 'unf' gem into gemspec to get rid of fog warning
Added --detach option to modify_instance which detach the instance from Vagrant
Merge pull request #87 from mfojtik/cleanup_aws_folder

Added --detach option to modify_instance that cleanup the Vagrant machine
Add --geard-images option to 'sync-geard' and 'build-geard-images'