Added lock_machine.py, a utility to lock, unlock and list machine locks.

 Tested: lock_machine.py --list
 lock_machine.py --machine=ahmad
 lock_machine.py --machine=ahmad --unlock
 lock_machine.py --machine=ahmad --list

PRESUBMIT=passed
R=raymes,bjanakiraman
DELTA=136  (136 added, 0 deleted, 0 changed)
OCL=54515-p2
RCL=54551-p2
RDATE=2011/07/20 23:08:03


P4 change: 42650828
1 file changed
tree: e3bb802137c034b0fc64942d5ff798120b177d79
  1. .git5_specs/
  2. v14/