Add TransferVcfAnnotations workflow

[mwalker174]

Adds a new workflow for transferring INFO and FORMAT field annotations from one vcf to another. The implementation is efficient in that it traverses the two vcfs together to minimize the number of records that need to be held in memory. It is also robust in that it tolerates some records to be missing from one vcf or the other.

The workflow is parallelized for efficient execution on large call sets.