remove sqrt scale;  move detail view options into an "Advanced Layout Options" button
add dialog to confirm switching to details view when a bar is double clicked at the highest temporal resolution (seconds)
put scenegraph update on JFX thread
fix newline in bundle
Merge branch 'release-3.1.1' into don't_expand_filters
keep track of expansion state and have collapsed by default
Merge pull request #910 from millmanorama/timeline-3.1.1_fixes

Timeline 3.1.1 fixes
Merge branch 'don't_expand_filters' into timeline-3.1.1_fixes
Merge pull request #911 from millmanorama/new_hash_branding

New hash branding
Merge pull request #912 from millmanorama/timeline-3.1.1_fixes

don't expand type filters by default
Content viewer uses blackboard types and checks for PNG header if blackboard does not have type
changed usage of deprecated API
Merge remote-tracking branch 'upstream/release-3.1.1' into new_hash_branding
changing to standing hash from six pack abs to hae a more consistent presentation