HTMLElement final class string getter

[Thai Tran]

The class_string property does NOT return the final class string. This is evident in some of the BatchAction classes (which is a subclass). The only way to get the final class string is through the get_final_attrs method.

In order to retrieve the final class string, we would need to calculate the final attributes. This can be cumbersome if all we want is the final class string. We need a mechanism that would allow us to retrieve just the final class independently.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/108147
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=48d725a211948fd5718db32a944baacbf130449f
Submitter: Jenkins
Branch: master

commit 48d725a211948fd5718db32a944baacbf130449f
Author: Thai Tran <email address hidden>
Date: Sat Aug 9 22:50:05 2014 -0700

    Allow access to HTML final class string

    The class_string property does NOT return the final class string.
    This is evident in some of the BatchAction classes (which is a subclass).
    The only way to get the final class string is through the get_final_attrs
    method.

    In order to retrieve the final class string, we would need to calculate
    the final attributes. This can be cumbersome if all we want is the final
    class string. This patch re-factored the code so that the final
    class string can be retrieved independently.

    Change-Id: I8f56ab407ac6426781cee4b531494d3ef2d41ea1
    Closes-Bug: #1347071

[Thai Tran (tqtran)]

Disregard, just using this for temporary image upload.