add travis config file

.travis.yml

@@ -0,0 +1,17 @@
+# Travis CI (http://travis-ci.org/) is a continuous integration service for
+# open source projects. This file configures it to run unit tests for
+# meddler.
+
+language: go
+
+go:
+    - 1.2
+    - 1.3
+    - 1.4
+
+install:
+    - go get -d -t -v ./...
+    - go build -v ./...
+
+script:
+    - go test -v ./...