storage: correct usage calculation for rbd
storage: add pool status
Merge pull request #360 from EmbeddedAndroid/master

storage: correct usage calculation for rbd and add pool status
New style for connections
Fix #352
Merge branch 'master' of https://github.com/retspen/webvirtmgr

Conflicts:
	templates/servers.html
Revert old server list/connections template