chore(project): upgrade to latest karma-browserify

This fixes module loading bugs during test run and lets us use the
latest  browserify version.

package.json

@@ -42,14 +42,13 @@
     "grunt-jasmine-node": "~0.1.0",
     "grunt-release": "~0.7.0",
     "load-grunt-tasks": "~0.3.0",
-    "browserify": ">3.0 && <3.30",
     "karma": "~0.12.0",
     "karma-jasmine": "https://github.com/Nikku/karma-jasmine/archive/jasmine-v2.0.0-latest-1.tar.gz",
     "karma-chrome-launcher": "~0.1.2",
     "karma-phantomjs-launcher": "0.1.2",
     "karma-ie-launcher": "^0.1.4",
     "karma-firefox-launcher": "^0.1.3",
-    "karma-browserify": "~0.1.0",
+    "karma-browserify": "~0.2.0",
     "jsondiffpatch": "~0.1.4",
     "xsd-schema-validator": "0.0.3",
     "sax": "~0.6.0",

test/config/karma.unit.js

@@ -18,7 +18,7 @@ module.exports = function(karma) {
     browsers: [ 'PhantomJS' ],
 
     // fixing slow browserify build
-    browserNoActivityTimeout: 30000,
+    browserNoActivityTimeout: 60000,
 
     singleRun: false,
     autoWatch: true,