Support childthemes

git-svn-id: https://plugins.svn.wordpress.org/twitter-widget-with-styling/trunk@1021448 b8457f37-d9ea-0310-8a92-e5e31aec5664
Stable Tag 1.2.7

git-svn-id: https://plugins.svn.wordpress.org/twitter-widget-with-styling/trunk@1021450 b8457f37-d9ea-0310-8a92-e5e31aec5664