Mascot Lifecycle Complete (eating,excercise,experience,level)

Level does not show in a view. Only logic.
Merge branch 'clase7' of github.com:ansraliant/tamagochiApp into clase7

Conflicts:
	tamagochiApp/tamagochiApp/Entities/Animal.h
	tamagochiApp/tamagochiApp/UIViews/mascotView/mascotViewController.m
	tamagochiApp/tamagochiApp/UIViews/mascotView/mascotViewController.xib