[Fix] Some bugs
Merge pull request #30 from mirrorcoder/master

[Fix] Some bugs
DB transport action, extended cinder read_indo and deploy, changed mysqlconnector, added new const to into utils
cinder deploy adopted for keeping storage case, changes ssh_utils, added detach_used_volumes and remote_execution actions
pep8
Added keep_volume_storage in config. fixed run func method in DetachVolumes action
Added deploy_volumes action, fix bugs in cinder resource