- Update version to 1.26.0
* Update translations
* update copyright to 2021
* mate-window-picker-applet: Do not build the path to the menu file
* mate-maximus-autostart.desktop: The Encoding key is deprecated
* mate-window: Replace GtkStock icons
* Update copyright to 2021
* Remove USE_MATE2_MACROS from autogen.sh (legacy)
* build: silent build warnings for distcheck
* windows-picker: fix `make clean` command
* use MATE_COMPILE_WARNINGS from mate-common