~jaro/balkon

ref: e9f7ad6373bb835cf35c67316f7d6296ae9067ea balkon/test/Data d---------
Clean up ParagraphConstruction.
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.