Log Message:
libmatekbd: update to 1.26.0

Change log:

### libmatekbd 1.26.0

  * tx: sync with transifex
    build: show package name and version in configure summary
    build: set GETTEXT_PACKAGE=AC_PACKAGE_NAME
    Remove USE_MATE2_MACROS from autogen.sh (legacy)

### libmatekbd 1.25.0

  * Remove unused macros
  * add git.mk to generate .gitignore
  * build: silent build warnings for distcheck
  * Reduce the font size of the key names on keyboard layout display
  * matekbd-keyboard-drawing: i18n symbolic names