Refactor
Refactor to use View more.
* Add support for left arrow, right arrow, and enter key on ThumbnailsView
Beautify close button and style improvements
Merge branch 'master' of https://github.com/ardok/python-playground into f/with-wrapper

Conflicts:
	python-flask/static/js/controller.js
	python-flask/static/js/helpers.js