Added key name option to launch

Change-Id: Ibd27f07d27be8f42167d2da6198d588e38b4a954
Revert incorrect novaclient dependency

Change-Id: I2f00672b31d80fecca19ea55f63cbb08ca6f0ea8
Merge "Revert incorrect novaclient dependency" into stable/essex
Merge branch 'stable/essex' into stable/folsom

Change-Id: Ia42765e107d6b3da3eab36435b30988d4b78f14d