issue #16: error bars proportional to number of errors in variant category
Merge branch 'master' of github.com:amplab/smash
issue #13: skip records without any GT information at all without crashing
issue #14: inversions may optionally have a leading base
issue #12: output vcf is sorted by chromsome and position
issue #10: explicitly filter out records with N in ref or alt during normalization
issue #18: silently upper case all ref/alt alleles for comparision
test update
Merge pull request #11 from amplab/master

pull in julie's latest changes