Better support for windows builds

.travis.yml

@@ -6,7 +6,7 @@ node_js:
   - "4.3"
 env:
   global: 
-    - CODE_COVERAGE=1
+    - COVERAGE_OPTION='./node_modules/babel-istanbul/lib/cli.js cover -x **/spec/**'
   matrix:
     - MONGODB_VERSION=2.6.11
     - MONGODB_VERSION=3.0.8

package.json

@@ -56,8 +56,9 @@
     "dev": "npm run build && bin/dev",
     "build": "./node_modules/.bin/babel src/ -d lib/",
     "pretest": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=3.0.8} ./node_modules/.bin/mongodb-runner start",
-    "test": "cross-env NODE_ENV=test TESTING=1 ./node_modules/.bin/babel-node $(if [ \"$CODE_COVERAGE\" = \"1\" ]; then echo './node_modules/babel-istanbul/lib/cli.js cover -x **/spec/**'; fi;) ./node_modules/jasmine/bin/jasmine.js",
+    "test": "cross-env NODE_ENV=test TESTING=1 ./node_modules/.bin/babel-node $COVERAGE_OPTION ./node_modules/jasmine/bin/jasmine.js",
     "posttest": "mongodb-runner stop",
+    "coverage": "cross-env COVERAGE_OPTION='./node_modules/babel-istanbul/lib/cli.js cover -x **/spec/**' npm test",
     "start": "./bin/parse-server",
     "prepublish": "npm run build"
   },