Summary of commit

* Add instructions for gulp and bower
* Replace /gulp/* to corresponding links
* Replace package to plugin* *.js
* Replace package keywords to plugin since package is a JS *future* keyword
* Rename packages.js to plugins.js
* 2 space indentation for .js and .json files
* Add srcOption for gulp.src
* Add gulp-browserify
* Add sample require() on scripts.js
* Remove watchify on TODOs