Fixed bug where glance image cache stall timeout set in the glance
add/edit form does not take effect due to incorrect attribute being used.

See also image_cache_stall_timeout in:
        bc-template-glance.json
        _edit_attributes.html.haml
Merge pull request #154 from cdearborn/pull-req-release-roxy-master-a5ab246768b7aacb97a6e161dbcbed0632b0a8c5

Got +1 and got tested => merging.