GermlineStandardCaller: skip loci with no evidence for any genotype
tweak readme
Point out that Guacamole can read/write bdg-formats files too
readme tweak
Merge pull request #264 from hammerlab/readme-tweak

tweak readme
adding CONTRIBUTING.md
Clean up callVariantsAtLocus a bit in GermlineStandardCaller
Merge pull request #267 from hammerlab/contributing

Adding CONTRIBUTING.md
Merge pull request #265 from hammerlab/pt189-tweaks

Pt189 tweaks
move from package org.bdgenomics to org.hammerlab
Merge pull request #268 from hammerlab/package-rename

Move from package org.bdgenomics to org.hammerlab
trying to set release dependencies in maven
Merge pull request #269 from hammerlab/release

Set release dependencies in maven
add key to sort on and use external sorting
upgrade spark to 1.1.1
register taskposition for kryo