Added test folder

git-svn-id: https://plugins.svn.wordpress.org/stageshow/trunk@1045874 b8457f37-d9ea-0310-8a92-e5e31aec5664
Release 4.3

git-svn-id: https://plugins.svn.wordpress.org/stageshow/trunk@1045876 b8457f37-d9ea-0310-8a92-e5e31aec5664
Removed redundant source files

git-svn-id: https://plugins.svn.wordpress.org/stageshow/trunk@1045887 b8457f37-d9ea-0310-8a92-e5e31aec5664