Update factory installer, factory test * Fix build breaks * Update to work with EFI bios
Update factory installer, factory test
* Fix build breaks
* Update to work with EFI bios

Review URL: http://codereview.chromium.org/2132008

mgireesh05/dev-util,coreos/dev-util,coreos/dev-util,marineam/coreos-dev-util,mgireesh05/dev-util,marineam/coreos-dev-util,coreos/dev-util,mgireesh05/dev-util