xwud-1.0.6-bp156.2.5

- Update to version 1.0.6
  * Update README for gitlab migration
  * Update configure.ac bug URL for gitlab migration
  * gitlab CI: add a basic build test
  * Build xz tarballs instead of bzip2
  * Added case for window_name_size == 0

- modernize spec file (move license to licensedir)

- Update to version 1.0.5
  * autogen.sh changes
  * configure: Drop AM_MAINTAINER_MODE
  * Mark Error() argument as const char *
  * Print which option was in error along with usage message
  * Add -version option to print program version

- Update to version 1.0.4:
  + Replace malloc(strlen) + strcpy() with strdup().
  + Man page fixes.
  + Build system fixes.
- Add pkgconfig(xproto) BuildRequires: new upstream dependency.

- Split xwud from xorg-x11. Initial version: 1.0.3.