~jaro/balkon

ref: 13f4f8e765e5858c8869af76894b52d8a4d5bf6a 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.