updated mocha-cov dependency to be custom fork that provides valuable information to coveralls, added engine info to package.json, disable styles for codeship, switched to code based pattern that is very specific since the entire es-js repo is stored withing a src directory on codeship

test/unit/index.js

@@ -0,0 +1,3 @@
+require('fs').readdirSync(__dirname + '/tests').forEach(function (file) {
+  require(__dirname + '/tests/' + file);
+});