[Doc] mismatch description for http code 200 in murano template api doc

[Lin Yang]

Following two descriptions of http code 200 in murano template api doc didn't match to its meaning as expected.

https://github.com/openstack/murano/blame/master/doc/source/specification/murano-env-temp.rst#L397
https://github.com/openstack/murano/blame/master/doc/source/specification/murano-env-temp.rst#L451

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/325101

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/325101
Committed: https://git.openstack.org/cgit/openstack/murano/commit/?id=c58e69f5f1626a3002f85e7672871c043e1060b5
Submitter: Jenkins
Branch: master

commit c58e69f5f1626a3002f85e7672871c043e1060b5
Author: Lin Yang <email address hidden>
Date: Fri Jun 3 15:37:39 2016 +0800

    Fix mismatch description in env template api doc

    Three descriptions of http return code didn't match to its actual
    meaning as expected. This patch fix it.

    Change-Id: Ibb8140b760325789b0a994c9938fdbddc5556596
    Closes-Bug: #1588680

[Davanum Srinivas (DIMS) (dims-v)]

This issue was fixed in the openstack/murano 3.0.0.0b2 development milestone.