net-misc/bopm: revbump, patch config file, and huge cleanup

net-misc/bopm: revbump, patch config file, and huge cleanup

Fix these issues with r1:

* Upgrade to EAPI 6
* Update the homepage
* Formatting cleanups in the ebuild
* Remove a redundant inherit
* Use fowners and fperms instead of raw chown and chperm
* Nix an unneeded "|| die" call
* Use einstalldocs instead of dodoc
* Use ED instead of D
* Document usage of datadir to store example config file
* Move various operations to the proper ebuild functions

And finally:

* Add patch to remove njabl from example config file
Closes: https://github.com/gentoo/gentoo/pull/2151

Signed-off-by: David Seifert <soap@gentoo.org>