Added new placement options for sharing buttons.  Can now be pinned to left, right and bottom left of screen.  These options can be controlled from within Dashboard area on www.upshare.co/partners/

git-svn-id: https://plugins.svn.wordpress.org/viral-sharing-buttons-by-up/trunk@999968 b8457f37-d9ea-0310-8a92-e5e31aec5664