Renamed AbstractShaderProgram::{load -> attach}Shader().
Renamed AbstractShaderProgram::{load -> attach}Shader().

mosra/magnum-examples,mosra/magnum-examples,mosra/magnum-examples,Squareys/magnum-examples,Squareys/magnum-examples,mosra/magnum-examples,mosra/magnum-examples,mosra/magnum-examples,mosra/magnum-examples,Squareys/magnum-examples,Squareys/magnum-examples