accelerate build on travis by removing npm install in pretest command

README.md

@@ -27,12 +27,20 @@ start application
 
 open the application in a browser: [http://localhost:5000](http://localhost:5000)
 
-## contribute
+## run tests
 
-### run tests
+install dependencies
+
+    npm install
+
+run tests
 
     npm run test
 
-### build for production
+run test in watch mode
+
+    npm run test:watch
+
+## build for production
 
     npm run build:production

package.json

@@ -4,7 +4,6 @@
   "description": "lesspass is like keepass without the need to persist passwords",
   "main": "app/app.js",
   "scripts": {
-    "pretest": "npm install",
     "test": "mocha --compilers js:babel-core/register tests",
     "test:watch": "npm run test -- -w",
     "lint": "jshint app/**",