Add initial core classes for prisma framework.

tools.descartes.prisma.core/.classpath

tools.descartes.prisma.core/.gitignore

tools.descartes.prisma.core/.project

tools.descartes.prisma.core/META-INF/MANIFEST.MF

tools.descartes.prisma.core/build.properties

tools.descartes.prisma.core/pom.xml

...ore/src/tools/descartes/prisma/core/ApplicationModel.java

...src/tools/descartes/prisma/core/RepositoryConnection.java

...tes/prisma/core/commands/AddAssemblyConnectorCommand.java

...artes/prisma/core/commands/AddAssemblyContextCommand.java

...cartes/prisma/core/commands/AddBasicComponentCommand.java

...s/descartes/prisma/core/commands/AddComponentCommand.java

...escartes/prisma/core/commands/AddExternalCallCommand.java

...s/prisma/core/commands/AddFineGrainedBehaviorCommand.java

...s/descartes/prisma/core/commands/AddInterfaceCommand.java

...risma/core/commands/AddInterfaceProvidingRoleCommand.java

...risma/core/commands/AddInterfaceRequiringRoleCommand.java

...s/descartes/prisma/core/commands/AddSignatureCommand.java

.../tools/descartes/prisma/core/commands/CommandContext.java

...rc/tools/descartes/prisma/core/commands/ModelCommand.java