mate-text-editor: Update to 1.5.0.
mate-terminal: Update to 1.5.1.
mate-screensaver: Update to 1.5.2.
mate-calc: Update to 1.5.2.
mate-calc: remove file
mate-utils: Update to 1.5.1.
mate-system-monitor: Update to 1.5.1.
mate-image-viewer: Update to 1.5.1.