Merging in pull request 114 (add chart margin support to themes) fixes: #18079
Fix #18164: dojox/mobile/tests/test_FormControls: incorrect input fields size with ios7 theme.
Committing in fixes for duplicating path information during serialization/deserialization of a VML surface.

Squashed commit of the following:

commit 7c873136c5c374c272b401ad11543f9214da0c65
Author: Jared Jurkiewicz <jared.jurkiewicz@gmail.com>
Date:   Mon Jul 28 11:09:12 2014 -0400

    Fix patth repeated duplication error in VML renderer, fixes #16830