ENH use "grunt-init node" set env

	modified:   .gitignore
	new file:   .jshintrc
	new file:   .travis.yml
	new file:   Gruntfile.js
	new file:   LICENSE-MIT
	new file:   README.md
	new file:   lib/bitstarter.js
	modified:   package.json
	new file:   test/bitstarter_test.js
ENH "npm install" with package.json
ENH add grunt-shell but not works well

	modified:   Gruntfile.js
	modified:   package.json
ENH update index.html

	modified:   index.html
	modified:   startup_engineering.leo