What's new

1.	Feature	Vertical and horizontal rulers can be displayed on the map window in 2D mode (use View \| Rulers menu item).
2.	Feature	The distance from the cursor to the current GPS position is displayed in the GPS tab.
3.	Feature	The data copyrights can be displayed in the bottom of the map window (if available). You can look at the corresponding license or terms of use of the currently displayed data by clicking on the copyright link.
4.	Improvement	It is possible for plugin developers to specify several rectangles and zoom levels in the data layer settings file to denote data coverage.
5.	Improvement	GPS device states were introduced. If the GPS connection is broken, a warning message box appears.
6.	Improvement	Some additional procedures were added to verify the validity of position coordinates returned by GPS.
7.	Fixed	The update of GPS date and time was not correct near 0:00 (UTC).
8.	Fixed	The map display became disabled after some actions such as locking/unlocking the computer, or when a Windows Vista firewall message was displayed.