2.8.0

Minor release of htsjdk with bug fixes and new functionality

Validate VariantContext AC and AF without genotypes #757 (#759)
Fixed bugs preventing reading bam indexes from remote Paths #749 (#769) (#762)
new algorithm for locus iteration and Picard's CollectWgsMetrics (#637)
Clean some deprecated classes/methods usages in htsjdk (#707)
fix CreateSequenceDictionary stalls indefinitely with large genomes broadinstitute/picard#432 (#744)
Add file name to FileTruncatedException messages #747 (#750)
make CustomGzipOutputStream public to be able to set compression level (#746)
Added getDescription() in VCFFilterHeaderLine (#726)
fix exception inVariantContex.getAltAlleleWithHighestAlleleCount() broadinstitute/picard#519 (#733)
More getters for VariantContext #371 (#712)
test coverage for SamFileValidator (#743)
Missing license header added to the several classes (#742)
Change default logging level to INFO #739 (#740)
new enum variantcontext.StructuralVariantType (#696)