- Refactoring CollectWgsMetrics in order to be able to easily create
CollectRawWGSMetrics.
- Create RawWGSMetrics by overriding some default option values and
  repackaging the metrics class.
- Moved CollectIlluminaSummaryMetrics (will be deleted eventually)
- Fixed some test files.

- Removed the buggy CLP CollectIlluminaSummaryMetrics.java and its test