Streams 145

Added a FacebookEventClassifier and updated the FacebookTypeConverter to respond to both Post and Page types from facebook4j. Added in a Page json schema that gets converted to a POJO. Also added in/updated all relevant tests
If you don't catch this, it should bubble up and the framework will log the exception and fail the test.  In cases where you want to pass the test if a certain action _doesn't_ throw an exception, just let the test execution drop out of the bottom of the method and it's an automatic pass.