libbraille-0.19.0-bp152.3.18

- Let the distro decide if it wants to disable python2 bindings
  (bcond_without python2). Enabled by default, unless overwritten
  by the builder.

- Fix building with py2 directly only
- Convert to pkgconf style dependencies

- Ensure neutrality of descriptions. Update summaries.
- Remove pointless --with-pic (static libs only).

- Explicitly call autoreconf in libltdl: Fix build with automake
  1.16.

- fix links in spec file, use *.gz

- 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