Introduce NamedElementTemplate and ensure the equals and hashcode are

...rtes/prisma/core/templates/core/NamedElementTemplate.java

.../core/templates/repository/AssemblyConnectorTemplate.java

...ma/core/templates/repository/AssemblyContextTemplate.java

.../templates/repository/InterfaceProvidingRoleTemplate.java

.../templates/repository/InterfaceRequiringRoleTemplate.java

...s/prisma/core/templates/repository/InterfaceTemplate.java

...ates/repository/ProvidingDelegationConnectorTemplate.java

...ore/templates/repository/RepositoryComponentTemplate.java

...ates/repository/RequiringDelegationConnectorTemplate.java

...s/prisma/core/templates/repository/SignatureTemplate.java