~jaro/balkon

ref: cf2ed91b8d903206259808e506e09b8b4febb73b balkon/src/Data d---------
Avoid reimplementing Data.Text.Lazy.fromStrict.
Implement "plain" interface.
Use Rect in "plain" interface.
Create "plain" interface.
Add module for working with rectangle coordinates.
Separate modules.
WIP version with WIP interface.