Added course angle in KTDraw

• Fixed bug with directory name

Added new file format

Updates

• Added zone_leaving_prohibition polygon;
• Added new file format

Fixed some bugs

Updates:

• Fixed big with color changing;
• Added angle and distance to cursor;
• Renamed limitations file — now it should be named as 'constraints.json'

Updated KTDraw app

What's new

• Added orientation changing;
• Fixed bug with ships disappearing after data update;
• Reformat code in paintall.py

Stable version with polygons

Added full polygons support. JSON with limitations should be named as "poly-data.json"

Polygons support

Added polygons support to KTViz. May be unstable. File with limitations data should be named as 'poly-data'.

Stable version with full KTDraw app

v1.0

Change velocity plot appearance. Add time in plot_from_files.