Extra files

* Delete duplicate editor file
* Delete extra scss files

git-svn-id: https://plugins.svn.wordpress.org/wp-gistpen/trunk@1001563 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix Readme

git-svn-id: https://plugins.svn.wordpress.org/wp-gistpen/trunk@1001565 b8457f37-d9ea-0310-8a92-e5e31aec5664