mate-panel 1.22.2 release

Changes since the last release: v1.22.1...v1.22.2

mate-panel 1.22.2

• update translations
• When determining whether the pos is in the applet, use ad->cells to calc.
• panel-toplevel: fix applets placement on expanded vertical panel
• panel-toplevel: fix coding style and spacing a bit
• Fix Makefile.am to install in a given prefix path
• Revert "menu-bar: transfer focus correctly on alt-F1"
• fix reloading the default layout after panel reset
• fix random crashes on panel reset
• Fix panel applet keyboard focus trap