gnulib-tool.py: Follow gnulib-tool changes, part 23. Follow gnulib-tool changes 2016-11-11 Bruno Haible <bruno@clisp.org> gnulib-tool: Support for the dual "LGPLv3+ or GPLv2" license. 2016-12-02 Nikos Mavrogiannopoulos <nmav@gnutls.org> gnulib-tool (func_import): Adhere to the license guideline ... 2016-12-02 Daiki Ueno <ueno@gnu.org> gnulib-tool (func_import): Relax the regex ... * gnulib-tool.py: For --lgpl, accept value 3orGPLv2. * pygnulib/GLInfo.py (GLInfo.usage): Update. * pygnulib/GLConfig.py (GLConfig.setLGPL): Update argument check. * pygnulib/GLImport.py (GLImport.__init__, GLImport.gnulib_cache): Update gl_LGPL handling. (GLImport.prepare): Update license compatibility checks and license header rewriting. * pygnulib/GLTestDir.py (GLTestDir.execute): Update license compatibility checks. Handle also the licenses GPLv3+, GPL, LGPLv3+.