feature/CORE-06252017-dish-editing-with-redux-and-firebase
feature/CORE-06252017-dish-editing-with-redux-and-firebase

* Increate the height and width of the image drop zone
* Define the max height and width of the image drop zone for responsiveness
* Define the max height and width of the preview image to prevent overflow

walkman-kuan/Instaurant,walkman-kuan/Instaurant