Edited the PHP combiner and .htaccess logic to accommodate this change, as well as allowing manifest files to use a "../" when referencing files, which will be handy when adding themes that don't include structural files yet.
Modified all HTML files to point to /themes/default for their theme.
Inset listviews have no margin now, and regular listviews have -15px margins. Also, collapsibles now have no padding.
Updated HTML to remove ui-body classes for content divs, to match these changes.
Fixes#161