Adding Avatar methodology

executablecode/Makefile.src

src/ui/AvatarMethodologyPanel.java

src/ui/avatarmethodology/AvatarMethodologyDiagramName.java

.../avatarmethodology/AvatarMethodologyDiagramReference.java

...atarmethodology/AvatarMethodologyReferenceToAnalysis.java

...rmethodology/AvatarMethodologyReferenceToAssumptions.java

...avatarmethodology/AvatarMethodologyReferenceToDesign.java

...armethodology/AvatarMethodologyReferenceToProperties.java

...tarmethodology/AvatarMethodologyReferenceToPrototype.java

...rmethodology/AvatarMethodologyReferenceToRequirement.java