Introduce a SimpleNumber class to represent numeric raw metrics
Switch Points<Object> to Points<SimpleNumber>, Points<String>, Points<Boolean>
Related unit tests changes
Related integration tests changes
Remove System.out.println
Improve SimpleNumberTest to also include tests for primitives
Merge pull request #95 from lakshmi-kannan/refactoring_changes_for_supporting_typed_points

RFR: Refactoring changes for supporting typed points