Jan Popelka

Results 2 issues of Jan Popelka

GUI should support different scoring rules. Outsource scoring to coach engine's gtp command `final_score`.

- [x] shader code refactor & reuse, may also resolve #42 - [x] red-blue anaglyphic shaders restored (offsets adjustable by H/L J/K) - [x] persistent default view #43 including gamma...