Added option for bypassing installation.

git-svn-id: https://plugins.svn.wordpress.org/anspress/trunk@966316 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme.txt version

git-svn-id: https://plugins.svn.wordpress.org/anspress/trunk@966318 b8457f37-d9ea-0310-8a92-e5e31aec5664