stravid/slotcars — pull request #132 by DominikGuzei (2012-04-18 13:27:59+00:00)
Title: Chore/introduce singleton class

Moves the singleton logic from `Factory` in its own class that other classes can extend from. New singletons can now be created by extending `Slotcars.shared.lib.Singleton` and have a static method `getInstance` that ensures that only one instance extists!