update release notes for combination track
bugfix to ProcessedTranscript UTR detection
add about-dialog stats to release notes
Fixed bug in HTMLFeatures' 'Show Labels'
don't call HTML feature classes 'glyphs' in docs
tweak volvox example data to show off capabilities more
bugfix to Segments glyph connector rendering
Slight css styling modification to combination track to fix slight rendering bug when empty combination track is pinned
improve repetitive dkasenberg css
Added HTMLFeatures 'Show Labels' bugfix to release notes