document the grid snapping transformations

grid snapping now also works with transformed grids

omg functional programming

update locales

moved GridProgram to Canvas

fixed warning

fixed testing of whether screenToModelCoordinates's result value is behind the camera

use glm::project instead of figuring out the conversion manually...

(0) -30 -10 -8 +8 +10 +30 +100 +300 tip

mercurial