make GFF3 store estimate global stats, fix GFF3 null-source parsing bug
try to fix selenium tests
fixup release notes, #281 was actually fixed and released in 1.9.7
add shoutout to @drusch in the 1.9.7 release notes
fix NCList tracks showing errors when no data on a refseq
stop using dojo.query for feature label and arrowhead position updating, it's too slow
update release notes
Merge branch 'maint/1.9.x'

Conflicts:
	release-notes.txt