Added Gemfile and Gemfile.lock for running tests under travis-ci
Merge branch 'master' of https://github.com/ngiger/oddb.org
Merge branch 'master' of https://github.com/ngiger/oddb.org
Merge branch 'master' of https://github.com/ngiger/oddb.org
Merge branch 'master' of https://github.com/ngiger/oddb.org
Merge branch 'master' of https://github.com/ngiger/oddb.org
Check validity of ean13 code before adding pseudo_fachinfo