Merge pull request #7 from evoskuil/master

Generalizations to support protobuf and czmq++.
Fix missing boost_LIBS publication.
Remove generated content, add to .gitignore
Correct boost_LIBS definition to sync with pkgconfig.gsl expectation.
Add message on successful update.
Correct copy to account for 'hidden' .travis.yml file.
Add libbitcoin-protocol configuration.