move scripts to footer

git-svn-id: https://plugins.svn.wordpress.org/elevio/trunk@1025521 b8457f37-d9ea-0310-8a92-e5e31aec5664
move scripts to footer

git-svn-id: https://plugins.svn.wordpress.org/elevio/trunk@1025524 b8457f37-d9ea-0310-8a92-e5e31aec5664