remove old references to bulk volume operations and removed all code dealing with formatted filesystems to better conform to the nova virt driver contracts
removed ovz_use_raw_devices flayg because it's not needed anymore
removed references to raise_on_error for volume operations as this was part of the kruft needed to support formatted volumes
removed extraneous aruguments from super call in iscsi volume adapter
remove pexpect from pip-requires as we no longer require it
update license info
Merge pull request #7 from imsplitbit/gut_volumes

Gut volumes