Modified Menu class

Class is unfinished. Working on JSON parsing before this can be
finished.
Modified TextAdventure

This class is to be deleted and replaced by JAdventure.java which will
hold the main method. Currently being used as a debug class.
Created JSONReader and json folder

Spoke with projectdelphai, decided to go with JSON for information
holding (menus for now). JSONReader.java has two methods for now.

getMenus - reads menus.json and lists the menu items
getSubMenu - not completed, problems with data type conversion to get
sub object. Will probably need to format the menus.json values
differently. Currently working on this method and format of menus.json.