Release version 2.0

git-svn-id: https://plugins.svn.wordpress.org/toopher-two-factor-security/trunk@891667 b8457f37-d9ea-0310-8a92-e5e31aec5664
Remove BETA from plugin name

git-svn-id: https://plugins.svn.wordpress.org/toopher-two-factor-security/trunk@891673 b8457f37-d9ea-0310-8a92-e5e31aec5664