Updated model
Added core data to store the teasers
Merge branch 'master' of https://github.com/notabranca/CommunicationProject

Conflicts:
	Comunication Project.xcodeproj/project.pbxproj
	Comunication Project/RICommunicationFramework/Model/OtherObjects/RITeasers.h
	Comunication Project/RICommunicationFramework/Model/OtherObjects/RITeasers.m