Merge pull request #1 from lclementi/master

Commands for storage manager
Multiple changes for keeping the zvols and iscsi state in DB
Created two databases, one for current calls in process, one for mapping between zvols and iscsi targets
First remove lock, in case there's response immediately
Try demonizing the client
Adapting for rocks node, not finished
Added lockfile and python-daemon py packages
Daemonized vm client
Added /var/log/rocks folder creation to post script in vm and nas
zfs init added
lockfile download path was wrong
Added auto fe find in NAS, bug in VM
Should have self in class functions
Various errors
More various errors
NAS works with zfs properly
vm updated with zfs stuff
iscsi works on vm
all vm errs fixed, zvol detached working
Using logger instead of print
Merge branch 'daemon' of https://github.com/dimm0/img-storage-roll into daemon