Manpages of src:mate-applets in Debian stretch-backports

• mate-charpick-applet(1)
• mate-cpufreq-selector(1)
• mate-drivemount-applet(1)
• mate-geyes-applet(1)
• mate-invest-chart(1)
• mate-multiload-applet(1)
• mateweather(1)