Fixed issue #129: Tray icon does not auto-hide properly
Update version info for update-checker.
Tag the 1.5.1 release
Bump version number to 1.5.1
Use a different tree icon if checking for updates failed.
Use the correct struct for the tree view.
Block the custom drawing of the tree view when it is re-arranged. Fixed issue #125: Crash after "edit project settings"
Update version info.
Tag the 1.5.0 release
Switch to svn 1.6.0.
