[ACS4.4]Cherry-pick 09a357fb90b48ed6e2725ea60e632a2ad5529f79

[Min Chen]

Hi Daan,

Would you please cherry-pick the following commit from 4.4-forward to 4.4?

Commit: 09a357fb90b48ed6e2725ea60e632a2ad5529f79
CLOUDSTACK-6890:createVPC invoked by admin does not observe start flag.

Thanks
-min