Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
// UK lang variables
tinyMCE.addToLang('',{
iespell_desc : 'Run spell checking',
iespell_download : "ieSpell not detected. Click OK to go to download page."
});