texi2roff-2.0-bp153.1.16

- Let it build again: add default return type for main() in
  patch texi2roff-2.0.dif

- Change license to SUSE-Permissive-Modify-By-Patch

- Completely split off from texinfo: there is no reason to maintain
  them in a single linked package set.
- Add proper split provides to indicate the split off texinfo.

- Use the original but less compressed source tar ball and source
  patch

- Recreate texi2roff as this is missed