~jaro/balkon

Test mixed line height.
Fix handling of mixed line height.

Displace lines by the height of the tallest fragment in the previous
line, not the shortest one.
Remove paragraphLineHeight from Rich interface.
Bump version to 1.2.0.0.
Test ultra narrow Arabic text.
Test unions of lists of rectangles.
Expose rect unions in public interface.
Bump version to 1.1.1.0.
Implement unions of lists of rectangles.
Parametrise rectangle union bias.
Remove TODO which would require an API break.
Test shaping across intra-word breaks.
Set release date for v1.1.0.0.
Simplify code since run direction is always known.
Add TODO for end-of-line whitespace.
Update changelog on numbers and neutrals.
Improve BiDi handling of numbers and neutrals.
Autodetect text direction for legacy interface.
Test with only directionally neutral characters.
Test mirrored neutral characters.
Next