Integrate with Travis

.travis.yml

@@ -0,0 +1,12 @@
+language: generic
+addons:
+  apt:
+    packages:
+      - zsh
+before_install:
+  - zsh --version
+install:
+  - (mkdir /tmp/urchin && cd /tmp/urchin && curl -s "$(curl -s https://registry.npmjs.com/urchin | grep -Eo '"tarball":\s*"[^"]+"' | tail -n 1 | awk -F\" '{ print $4 }')" -O && tar -x -f urchin*)
+  - chmod +x /tmp/urchin/package/urchin
+script:
+  - /tmp/urchin/package/urchin -s zsh tests