Need to check cpu and ram quota when booting instance

[Liyingjun]

There is no validating for cores and ram in creating instance workflow. The user can submit the form even the requested cores or ram are exceed the quota.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/109978

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/109978
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=5b6b58f8ddc4dc1e52c53ec9f3bb6f1f08b74a00
Submitter: Jenkins
Branch: master

commit 5b6b58f8ddc4dc1e52c53ec9f3bb6f1f08b74a00
Author: liyingjun <email address hidden>
Date: Fri Jun 27 06:39:26 2014 +0800

    Validate cores and ram when booting instance

    There is no validating for cores and ram in creating instance workflow.
    The user can submit the form even the requested cores or ram are exceed
    the quota.

    Change-Id: I25d49f709d120a6a56692b174e17969cba1c8065
    Closes-bug: 1349370