completed tree state restore function,

visual order of entries will now affect their saving order,
changed the behavior of the entry view header.

git-svn-id: https://svn.code.sf.net/p/keepassx/code/trunk@124 b624d157-de02-0410-bad0-e51aec6abb33

src/plugins/interfaces/IFileDialog.h

@@ -33,6 +33,8 @@ class IFileDialog{
 		
 		virtual QString saveFileDialog(QWidget* parent,QString title,QString dir,
 							QStringList Filters,bool ShowOverwriteWarning=true)=0;
+		
+		virtual int getLastFilter()=0;
 };
 Q_DECLARE_INTERFACE(IFileDialog,"org.KeePassX.FileDialogInterface/1.0")