devMode setting added, swapped menu item order

New setting for devMode. If true it will use the unminified ice-coder.js
file, otherwise the min.js version
Copy option now available for multple file copying, outside of single
menu items. Paste option moved next to it.

lib/settings.php

@@ -65,7 +65,8 @@ include(dirname(__FILE__)."/".$settingsFile);
 $ICEcoder = array(
 	"versionNo"		=> "2.3",
 	"codeMirrorDir"		=> "CodeMirror-3.12",
-	"demoMode"		=> false
+	"demoMode"		=> false,
+	"devMode"		=> false
 )+$ICEcoder;
 
 $onLoadExtras = "";