Add wercker.

wercker.yml

@@ -0,0 +1,19 @@
+box: wercker/golang@1.4.0
+
+# Build definition
+build:
+  # The steps that will be executed on build
+  steps:
+    # A step that executes `go lint command
+    - go lint
+    # A step that executes `go get ./...` command
+    - go get ./...
+    # A step that executes `go test ./...` command
+    - go test
+
+    # A custom script step, name value is used in the UI
+    # and the code value contains the command that get executed
+    - script:
+        name: echo golang information
+        code: |
+          echo "go version $(go -v) running"