Unfinished cna visualization.
Unfinished CnaFlagTrack.
Fix view limiter npe in chromosome change.
Add scatterplot track and integrate phenodata to gb.
Unfinished alternative view modes for cna.
Merge branch 'master' into gb-copy-number
Stable view limiting.
Update settings after the view region is limited.
Refill buffer to read long lines.
Add test example output.
Separate switch for cna frequency tracks.
Show copy-numbers without flags.
Merge branch 'master' into gb-copy-number
Merge branch 'gb-copy-number'