Updated jquery and Bootstrap to latest version and deleted old js bootstrap files in layout.haml
cleaned code in deploy.rb
added jquery production version
added gem rake to fix "rake is not part of the bundle. Add it to Gemfile." error on Travis
Update Gemfile.lock

fixed rake version
Removed duplicate rendering of navbar in layout.haml
Merge branch 'master' of https://github.com/bossiernesto/sinatra-haml-bootstrap-hero
Merge pull request #4 from bossiernesto/master

Update of bootstrap and jquery