set up travis ci to test that the code actually transpiles

Author: nexusuw

.travis.yml

@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+  - "4"

README.md

@@ -1,4 +1,6 @@
 # vscode-gtm README
+[![Build Status](https://travis-ci.org/nexus-uw/vscode-gtm.svg?branch=travis-ci)](https://travis-ci.org/nexus-uw/vscode-gtm)
+
 ![](./GTMLogo-128.png)
 
 Visual Studio Code plugin to support Git Time Metrics

package.json

@@ -26,7 +26,8 @@
     "scripts": {
         "vscode:prepublish": "node ./node_modules/vscode/bin/compile",
         "compile": "node ./node_modules/vscode/bin/compile -watch -p ./",
-        "postinstall": "node ./node_modules/vscode/bin/install"
+        "postinstall": "node ./node_modules/vscode/bin/install",
+        "test":"node ./node_modules/vscode/bin/compile"
     },
     "devDependencies": {
         "typescript": "^1.8.5",