Merge pull request #58 from mirrorcoder/master

Refactor glance
Small SSH transporters fix
Merge pull request #59 from miarmak/small_trans_fix

Small SSH transporters fix
Added floatingip update to neutron client
Added floating ip preservation
dissociate floating via compute
floating ip dissociating after migration
Added correct snapshots transferring
Added keep floating ip option to config
Merge pull request #60 from toha10/beta_0.1

Floating IP preservation & snapshots transferring
Add path and host in struct for storage
Refactor identity