Travis CI defaults to ruby; c will be faster

.travis.yml

@@ -1,7 +1,8 @@
-language: bash
+language: c # defaults to ruby
 install:
   - sudo apt-get install ksh zsh -y
 before_script:
   - curl -o /tmp/urchin https://raw.github.com/scraperwiki/urchin/master/urchin && chmod +x /tmp/urchin
 script:
   - NVM_DIR=$TRAVIS_BUILD_DIR make URCHIN=/tmp/urchin test
+