now fav state persists
tutorial and training cards are not shown once swiped
x a remove button should show if clicked from recommendation view as
well as mybeer view.
x fav state changes should persist
x training sets should be gone
x training sets should persist in local storage
show confirmation pop-up when user wants to delete an item from mybeer
x a remove button should show if clicked from recommendation view as
well as mybeer view.
x fav state changes should persist
x training sets should be gone
x training sets should persist in local storage
 Please enter the commit message for your changes. Lines starting
changed rating from (1,-1) to (5,1) to be consistent with our back end
Merge pull request #49 from neillobo/switch/APIv3

changed rating from (1,-1) to (5,1) to be consistent with our back end
Merge pull request #50 from dhfromkorea/add-tutorial

added tutorial boilerplate at /tutorial route
change
Merge pull request #53 from dhfromkorea/tutorial-view

added tutorial
Merge branch 'improve-ui' of https://github.com/dhfromkorea/nextBeer-client

Conflicts:
	www/app/services/services.js
Merge branch 'master' into improve-ui

Conflicts:
	www/app/detail/detail.html
	www/app/detail/detail.js
	www/app/recommend/recommend.js
	www/app/services/services.js