Adding some extra interfaces to help with code reuse. For instance, a comparator can be written to sort anything that is temporal by time. Or sort anything that is identifiable by id.
66 Removing tuple store remove() bug
66 Another bug where the remove(String key) method was not correctly removing the tuple
Adding license header to BaseTupleStoreTest
Removing unnecessary methods from Event and Entity interfaces (we now have seperate interfaces for those methods)
Moving some packages around for better semantic meanings
Merge pull request #65 from calrissian/extraInterfaces

Adding some extra interfaces to help with code reuse.