~jaro/balkon

ref: d5807a8ebe4763c4fbdf157357e16eae70ff0f00 balkon/test/Data/Text/ParagraphLayout d---------
Use infix operators for constructing test data.
Implement "plain" interface.
Create "plain" interface.
Add module for working with rectangle coordinates.
Add explicit scale to test font.
Separate tests by module.