there's lots of changes. please make sure to read this.

1. gulpfile
- now you can use the following
- gulp watch
- gulp preview
- gulp build
- ** gulp watch when you begin coding
- ** gulp preview when you start live-reloading
- ** gulp build to build the app into ios
- ** you DO NOT have to use anything else 

2. sass
- now you can use sass which is located at the root diretory named sass/
- can make changes in _custom.scss file to add our custom css code

3. Authorization Header
- now we're using authroization and token

4. uglify, minify
- check the index.html and how simpler now it looks in terms of dependency loading.
- there's one caveat to make this happen. if curious, ask DH