Typos: it's vs. its

[Ana Krivokapić]

There are several "it's vs. its" typos throughout the Horizon code base. Some of them are located in docstrings and the contributor documentation. They can be spotted by careful examination of the output of

git grep -i "it's"

and

git grep -i "its"

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/57315

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/57315
Committed: http://github.com/openstack/horizon/commit/084733b13751c5b95457b91c15d205cda65826c9
Submitter: Jenkins
Branch: master

commit 084733b13751c5b95457b91c15d205cda65826c9
Author: Ana Krivokapic <email address hidden>
Date: Tue Nov 19 20:38:21 2013 +0100

    Fix "it's vs. its" typos

    Change-Id: Ib7914a7c0b6636599526d05bfb8bc2bcf3a79744
    Closes-Bug: #1252838