Tagging 1.5.0

git-svn-id: https://plugins.svn.wordpress.org/ithemes-exchange/trunk@794901 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed tested-up-to link in readme.txt

git-svn-id: https://plugins.svn.wordpress.org/ithemes-exchange/trunk@794909 b8457f37-d9ea-0310-8a92-e5e31aec5664