libbraille-0.19.0-bp151.1.1

- Simply regeneration of autotools-generated files

- Remove redundant/unwanted tags/section (cf. specfile guidelines)
- Use %_smp_mflags for parallel building

- add libtool as explicit buildrequire to avoid implicit dependency from prjconf

- Clean up package for inclusion in Factory.
- Rename libbraille-python package to python-braille, with
  appropriate Provides/Obsoletes.
- Pass --enable-fake and --enable-usb to configure.
- Create a fake subpackage for the graphical display.

- fix build and support symbol visibility

- fix some packaging errors