Log Message:
Update mate-applets to 1.20.1:

The Invest applet has been dropped from MATE Applets.
The API, provided by Yahoo, has been discontinued and there is no reputable drop \ 
in replacement available.
Panel applets now size correctly based on the units being displayed and many \ 
graphs are dynamically scaled.

MATE Sensors Applet (finally) supports udisks2.

Full changelog:

multiload: Scaling network graph using thresholds defined by user
multiload: fix tabs/spaces mix in more places
multiload: fix spacing in some places
multiload: remove some unneeded spaces
weather: fix possible crash when opening prefs dialog
drop broken invest-applet and all Python dependencies
Fix build warnings: ignoring return value of fgets,
command: bump range of interval
WidthOfScreen and HeightOfScreen implementation
build: when gtksourceview isn’t found, show this package name
Cpufreq: Update tooltips with latest values
Cpufreq: fix a build warning
Cpufreq: stop jumping numbers moving units label
Rounding error in draw corrected.
cpufreq: fix calculating max width of frequency/unit/percent labels
stickynotes: fix text selection
cpufreq: refresh applet size on style change (e.g. font size)
GSettings change recognized dynamically
GSettings for checkmark color shown for mounted volumes.
cpufreq: fix random invisibility of the applet
Mounted drives will show a little bit different icon.
gtk 3.22: avoid deprecated gdk_screen_get_monitor functions:
Get rid of misleading_indentation and maybe-uninitialized warnings during build
avoid deprecated gdk_screen_width/height
avoid deprecated gdk_screen_get_width/height
all applets: don’t use deprecated gtk_show_uri
add new digital theme
drivemount: fix a build warning
cpufreq-prefs: don’t use deprecated gtk_show_uri
bump libmateweather requirement to 1.19.1
weather: If location changes, abort any outstanding weather updates
weather: Added logic to not send notification if weather update is equal (as \ 
decided by weather_info_equal()) to the previous update
avoid deprecated gdk_screen_get_number
drivemount: If the list is empty, it will show media-floppy icon
stickynotes: reword previous commit a bit and don’t leak dir name
stickynotes: create parent dir for stickynotes-applet.xml if it does not exist.
Load graph scales automatically according to average load
trashapplet: remove unused code
cpufreq: set frequency on all cores
Fix GError memory leak
Fix for crasher in Command applet.
Translations update