1) Updated the mira.ecore with new classes in order to implement the relationships between the aspects (i.e., functional and non-functional)

2) Implemented constraints for checking the relationships between functional and non-functional aspects

3) Implemented the list in the following editors in order to have a relationships between functional and non-functional aspects
	3.1) FunctionalRequirementEditor
	3.2) InterfaceBehaviourAspect
	3.3) ModeDefinitionEditor
	3.4) TimingRequirementEditor
	3.5) DerivedRequirementEditor