delete all file st once

git-svn-id: https://plugins.svn.wordpress.org/sliding-contact-form-by-formget/trunk@887294 b8457f37-d9ea-0310-8a92-e5e31aec5664
import all file at once

git-svn-id: https://plugins.svn.wordpress.org/sliding-contact-form-by-formget/trunk@887295 b8457f37-d9ea-0310-8a92-e5e31aec5664
import all file at once

git-svn-id: https://plugins.svn.wordpress.org/sliding-contact-form-by-formget/trunk@887296 b8457f37-d9ea-0310-8a92-e5e31aec5664