Added action "Copy URL to Clipboard" (closes #1944021)

Fixed: Unnamed Database saved as ".kdb" (closes #2109972, #2118340)
Fixed: Date of Modification isn't updated (closes #2108658, #2121768)
Fixed and improved the initialization of the fallback random number source (closes #2091784)
Don't clear clipboard if "Clear clipboard after" is set to 0
Try to clear Klipper history when clearing clipboard

git-svn-id: https://svn.code.sf.net/p/keepassx/code/trunk@220 b624d157-de02-0410-bad0-e51aec6abb33

src/lib/EntryView.h

@@ -69,6 +69,7 @@ class KeepassEntryView:public QTreeWidget{
 		virtual void resizeEvent(QResizeEvent* event);
 		virtual void mousePressEvent(QMouseEvent *event);
 		virtual void mouseMoveEvent(QMouseEvent *event);
+	
 	private slots:
 		void OnColumnResized(int index,int OldSize, int NewSize);
 		void OnHeaderSectionClicked(int index);
@@ -91,6 +92,8 @@ class KeepassEntryView:public QTreeWidget{
 		void removeDragItems();
 		void OnColumnMoved(int LogIndex,int OldVisIndex,int NewVisIndex);
 		void OnEditOpenUrl();
+		void OnEditCopyUrl();
+	
 	signals:
 		void fileModified();
 		void selectionChanged(SelectionState);