Cleanup client/config and media_row classes
Make sure defined variables arent already defined
Remove inline require_once. Use the autoloader
Update the filter host
Update config scheme
Update local lib
Update client
Add vendor dir
Integrate the new client into the filter
Update atto and tinymce libs
Update mcore client and config
Rename _mcore_* vars to _
Update filter lib
Update mediacore_client
Update mediacore_config
Update mediacore_media
Update repository lib
Update mediacore_media
Update doc strings
Update mediacore_media_row