WIP Added istanbul

package.json

@@ -9,6 +9,7 @@
     "local": "node ./bin/start-local.js",
     "worker": "node ./bin/start-worker.js",
     "test": "mkdir ./test-tmp; node ./node_modules/mocha/bin/mocha --recursive test",
+    "test-cover": "node node_modules/istanbul/lib/cli.js --hook-run-in-context cover node_modules/mocha/bin/_mocha -- -R spec test/**/*",
     "watch-test": "./node_modules/nodemon/bin/nodemon.js --exec 'node ./node_modules/mocha/bin/mocha --recursive test'",
     "build-nn": "node ./utils/nn-parser.js"
   },
@@ -35,6 +36,7 @@
     "chai": "^3.0.0",
     "jszip": "^2.5.0",
     "mocha": "^2.2.5",
+    "istanbul": "^0.4.5",
     "mockery": "^1.7.0"
   }
 }