Enable samtools parameter processing in VarscanSomatic (previously only worked in Varscan germline)
Enable samtools parameter processing in VarscanSomaticValidation (previously only worked in Varscan germline)
Added VarscanBase
DV2 Varscan modules inherit from VarscanBase and _process_samtools_params and _split_params are moved up.
Move has_version into VarscanBase
Expanded VarscanBase test
Corrected a bug that prevented baq from being turned off with --nobaq
Merge branch 'varscanparam' into gb_master