add travis

.travis.yml

@@ -0,0 +1,15 @@
+# We want to use the KVM-based system, so require sudo
+sudo: required
+services:
+  - docker
+
+before_install:
+  - git clone https://github.com/mozilla/discourse-mozilla-travis.git
+
+install: true
+
+before_script:
+  - source discourse-mozilla-travis/before_script.sh
+
+script:
+  - discourse-mozilla-travis/script.sh