Added user roles.
Fixed flush rewrite rule on plugin activation.
content filter in question and answer edit form.

git-svn-id: https://plugins.svn.wordpress.org/anspress/trunk@844983 b8457f37-d9ea-0310-8a92-e5e31aec5664
renamed anspress-site.php to anspress-main.php

git-svn-id: https://plugins.svn.wordpress.org/anspress/trunk@844985 b8457f37-d9ea-0310-8a92-e5e31aec5664