different "force" levels now and updates the app file info attributes
for shared object files.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16123 a95241bf-73f2-0310-859d-f6bbb57e9c96
implements the functionality common to both mime update calls
(update_mime_info() and create_app_meta_mime()), namely walking
through the filesystem and performing updates.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1266 a95241bf-73f2-0310-859d-f6bbb57e9c96