[ACS4.4] Cherry pick CLOUDSTACK-6971

[Min Chen]

Hi Daan,

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

Commit: 31e250a9d2adbf9ee59da66073497e38c02ded86
CLOUDSTACK-6971: createAutoScaleVmProfile failed with NPE due to lack of bean
    Injection.

Thanks
-min