nudoku-2.1.0-bp156.3.6

- Update to 2.1.0:
  * Use actual terminal background color (instead of black) as
    background color (pr #31)
  * Define minimum gettext version instead of exact one (pr #32)
  * Require gettext 0.20
  * Add Japanese translation (pr #40)
  * Minor code change
- Drop nudoku-2.0.0-unused-var.patch: upstreamed
- Drop nudoku-2.0.0-gettext.patch: upstreamed

- Add nudoku-2.0.0-unused-var.patch:
  Remove unused variable. Fixes build on TW.
- Add nudoku-2.0.0-gettext.patch:
  Require gettext 0.20

- Add cairo dependency: enable PDF and PNG creation

- Update to 2.0.0:
  * Translation support
  * Added translations for: Spanish, German, Russian
  * Refactoring and code cleanup
  * Add color difference between provided numbers and the ones
    entered by the user
  * Output sudoku PDFs (-p/-n option)
  * Output sudoku PNG (-i option)
  * Fix duplicate fields in sudoku generation (pr #28)

- Update to 1.0.0:
  * Add 'mark' command to highlight the currently selected number
    in all other cells. Thanks to James Warnock.
  * Redesign commands display.
  * Display how many hints a person used when the puzzle is solved.
  * Update maintainer email and man page.
  * Code cleanup

- Update to version 0.2.5
  * manpage fixes

- Version bump to 0.2.4
  * Fix array out of bound in validity_check

- Version bump to 0.2.3
  * Code cleanup

- Change Source to download location
- Update to version 0.2.2
  * Add manpage
  * User can provide sudokus of his own
  * Major code cleanup
  * Provide hints based on the users board
  * Improve feedback for "check" to let the user know if his sudoku is right so far

- Add BuildRequires xz to make it work under SLE11 too.
  Going to add it generally since it is needed anyways, so to make
  sure it exists.

- Clean up spec

- Rename and clean up spec file