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/lib/EntryView.h

@@ -70,6 +70,7 @@ class KeepassEntryView:public QTreeWidget{
 		virtual void mouseMoveEvent(QMouseEvent *event);
 	public slots:
 		void OnColumnResized(int index,int OldSize, int NewSize);
+		void OnHeaderSectionClicked(int index);
 		void OnGroupChanged(IGroupHandle* group);
 		void OnShowSearchResults();
 		void OnEntryActivated(QTreeWidgetItem*,int);