[ADD] build status from Travis.ci
[ADD] build status from Travis.ci
nikolai-b/sidekiq-cron,farainc/sidekiq-cron,farainc/sidekiq-cron,nhoffmann/sidekiq-cron,davidtrogers/sidekiq-cron,ondrejbartas/sidekiq-cron,ondrejbartas/sidekiq-cron,nhoffmann/sidekiq-cron,Eunix/sidekiq-cron,Eunix/sidekiq-cron,davidtrogers/sidekiq-cron,nikolai-b/sidekiq-cron