Hopefully last fix for ci

.travis.yml

@@ -5,3 +5,5 @@ node_js:
 before_script:
   - npm install
   - npm start
+notifications:
+  email: false

Gruntfile.js

@@ -59,7 +59,7 @@ module.exports = function (grunt) {
             ci: {
                 configFile: 'karma.conf.js',
                 options: {
-                    browsers: ['PhantomJS', 'Chrome', 'Firefox'],
+                    browsers: ['PhantomJS'],
                     files: [
                         '<%= browserify.debug.dest %>'
                     ]