Rationalize the https request testing.
Adds a new 403 exception
Adds a new method IsPermitted() to the Content base class
Adds exception handling for 403 exceptions
throw a 403 exception if IsPermitted() fails for frontend requests
Ensure that 403 and 404 error handlers do not cache.
bump version


git-svn-id: http://svn.cmsmadesimple.org/svn/cmsmadesimple@9760 3d254a34-79dc-0310-9e5f-be208747d8a0
possible fix to redirect to install from index.php

git-svn-id: http://svn.cmsmadesimple.org/svn/cmsmadesimple@9761 3d254a34-79dc-0310-9e5f-be208747d8a0