Showing which products has variable pricing in CyberStore | Products

git-svn-id: https://plugins.svn.wordpress.org/orbisius-cyberstore/trunk@847513 b8457f37-d9ea-0310-8a92-e5e31aec5664
fix examples in add product

git-svn-id: https://plugins.svn.wordpress.org/orbisius-cyberstore/trunk@847514 b8457f37-d9ea-0310-8a92-e5e31aec5664