More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
(function(){tinymce.create('tinymce.plugins.Directionality',{init:function(ed,url){var t=this;t.editor=ed;ed.addCommand('mceDirectionLTR',function(){var e=ed.dom.getParent(ed.selection.getNode(),ed.dom.isBlock);if(e){if(ed.dom.getAttrib(e,"dir")!="ltr")ed.dom.setAttrib(e,"dir","ltr");else ed.dom.setAttrib(e,"dir","");}ed.nodeChanged();});ed.addCommand('mceDirectionRTL',function(){var e=ed.dom.getParent(ed.selection.getNode(),ed.dom.isBlock);if(e){if(ed.dom.getAttrib(e,"dir")!="rtl")ed.dom.setAttrib(e,"dir","rtl");else ed.dom.setAttrib(e,"dir","");}ed.nodeChanged();});ed.addButton('ltr',{title:'directionality.ltr_desc',cmd:'mceDirectionLTR'});ed.addButton('rtl',{title:'directionality.rtl_desc',cmd:'mceDirectionRTL'});ed.onNodeChange.add(t._nodeChange,t);},getInfo:function(){return{longname:'Directionality',author:'Moxiecode Systems AB',authorurl:'http://tinymce.moxiecode.com',infourl:'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/directionality',version:tinymce.majorVersion+"."+tinymce.minorVersion};},_nodeChange:function(ed,cm,n){var dom=ed.dom,dir;n=dom.getParent(n,dom.isBlock);if(!n){cm.setDisabled('ltr',1);cm.setDisabled('rtl',1);return;}dir=dom.getAttrib(n,'dir');cm.setActive('ltr',dir=="ltr");cm.setDisabled('ltr',0);cm.setActive('rtl',dir=="rtl");cm.setDisabled('rtl',0);}});tinymce.PluginManager.add('directionality',tinymce.plugins.Directionality);})();