rather than in /usr/bin. While here, also change a few other PREFIX
references into LOCALBASE.
No bump: PREFIX/LOCALBASE both expand to /usr/local here, and the
nroff path doesn't make it into the binaries.
- replace usage of perl with sed
- remove pre-configure and place the contents of it (config.sh) in the
files dir and copy it into WRKSRC as part of the pre-configure target
- ${CP} -> cp