Issue #922 - PDF build troubles
Merge pull request #924 from pecko/issue922

Issue #922 - PDF build troubles
make comment more clear
Issue #913 - More UI update issues

A lot updates
Views
- Time Controller
- Track Tote
- Maintain Contributions

Fixed a lot icons
- sensors
- properties
- check icon
- create project
- narrative
- layer.png
- track.png
- fix.png
- show_units.png in Track Tote

I haven't used node.png and save.png.
PolygnoNode uses polygon.png, but we remove Save action from toolbar.
Merge pull request #927 from pecko/issue913a

Issue #913 - More UI update issues
Merge branch 'master' into issue664_segments
Improve consistency of test data