another attempt at more aggressive auto-loading (amending af28fdd50690) -- hidden buffers are now suppressed;

--- a/src/Tools/jEdit/src/jedit_resources.scala	Wed Jul 23 16:56:03 2014 +0200
+++ b/src/Tools/jEdit/src/jedit_resources.scala	Wed Jul 23 18:04:16 2014 +0200
@@ -114,6 +114,7 @@
   override def commit(change: Session.Change)
   {
     if (change.syntax_changed) GUI_Thread.later { jEdit.propertiesChanged() }
+    if (change.deps_changed && PIDE.options.bool("jedit_auto_load")) PIDE.deps_changed()
   }
 }