focus on the last tab.
Change to expandedTabs.children('div').size().
Merge pull request #122 from dwilcox/7.x

Updated mods_to_dc.xsl to version 1.3
Make focus wors on multiple tab fields
edit code style.
Fix the issue.
Code style.
Update tabs.js
Merge pull request #121 from yqjiang/7.x-Tab-focus

focus on the last tab.
Modified cleanup_mods.xsl to remove empty elements with empty attributes