* Update README for gitlab migration
* Use AC_CONFIG_FILES to replace the deprecated AC_OUTPUT with parameters
* Update m4 to xorg/util/xcb-util-m4@c617eee22ae5c285e79e81
* gitlab CI: add a basic build test
* configure: Drop AM_MAINTAINER_MODE
* autogen.sh: Honor NOCONFIGURE=1
* Add COPYING file
* autogen.sh: use quoted string variables
* autogen: add default patch prefix
* autogen.sh: use exec instead of waiting for configure to finish
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xcb-util-keysyms?expand=0&rev=13