Added specific function to show the PromoBar

git-svn-id: https://plugins.svn.wordpress.org/giveaways-contests-by-promosimple/trunk@844518 b8457f37-d9ea-0310-8a92-e5e31aec5664
Modified version information

git-svn-id: https://plugins.svn.wordpress.org/giveaways-contests-by-promosimple/trunk@844520 b8457f37-d9ea-0310-8a92-e5e31aec5664