alttab-1.7.1-bp156.1.6

- Update to 1.7.1:
  * Show username in bottom line: -b 2.
  * Option -ns to ignore _NET_WM_STATE_SKIP_TASKBAR.
  * Better man page.
  * Fix an "empty window name" check,
  * Fix typographical errors.

- Update to 1.7.0:
  * Option -e to keep the switcher.
  * Document usage on mobile devices.
  * Configurable bordercolor.
  * Build scripts for OpenBSD.
  * Fix xpm icon bug.
  * Feature: kill window by pressing 'k'.
  * Feature: line at the bottom of tile.
  * Show windows on scratchpad only: -d 4
  * Disable icons: -s 4
  * Prevent segfault on zero size tile or icon.

- Update to 1.6.1:
  * Vertical layout.
  * Extra border around the alttab window.

- Update to 1.6.0:
  * Fix major memory leak when huge icons are not used.
  * Debug by SIGUSR1.
  * Add test suite: running in headless X server.
  * Add github CI pipeline.
  * Bspwm documentation.
  * Fix possible strncpy overflows.

- Update to 1.5.0:
  * Use xpm icons and pixmap directories.
  * Use XDG_DATA_DIRS.
  * Add extra keys: next/prev, cancel.
  * Optimize main event loop.
  * Fix numerous memleaks and overflows.
  * Satisfy gcc 10 requirements.

- Add -fcommon to allow the package to build with GCC10

- Remove obsolete Groups tag (fate#326485)

- Use rubygem(ronn) instead of hardcoded ruby version

- Initial package in version 1.4.0 for openSUSE