Add a Travis CI config file to enable automated testing.
Add a Travis CI config file to enable automated testing.

jbotelho2-bb/nokogumbo,swills/nokogumbo,rubys/nokogumbo,swills/nokogumbo,grosser/nokogumbo,grosser/nokogumbo,rubys/nokogumbo,staugaard/nokogumbo,rubys/nokogumbo,rubys/nokogumbo,staugaard/nokogumbo,jbotelho2-bb/nokogumbo