Clase Comment
Renombradas ModelInterface y Model
Merge branch 'master' of github.com:Nirei/imp

Conflicts:
	ipm2_android/app/src/main/java/com/fic/ipm2_android/Model.java
	ipm2_android/app/src/main/java/com/fic/ipm2_android/ModelInterface.java
Modelo corregido