add shoutout to mbomhoff in release notes
refactor browserRoot URL resolution, resolve plugin resource URLs relative to `browserRoot`
try again to fix plugin loading and `browserRoot`
try again to fix plugin browserRoot loading
add empty bigwig file to unit tests, improve stats handling of empty bigwig files, references #252
update release notes, shouttout to nathan boley
check for presence of VCF genotype data field before trying to parse it
actually, display missing genotype as empty string
release 1.9.2
add HTMLVariants as a known track type in File->Open dialog
fix faceted tracksel select.disabled bug
fix VCF parser for lines that have no ALT columns
tweak desc string for no-alternate VCF features
release 1.9.3
Merge branch 'master' of https://github.com/GMOD/jbrowse