2.2.1*.c copied as base for 2.2.2*.c.
2.2.2.vert created.
Shader references in 2.2.2*.c changed from 2.2.1* to 2.2.2*.
2.2.1.frag copied to 2.2.2.frag.
Uniform values declared and set.
Debug information added to shader compilation.
Typo corrected.
Vertex_data changed to match tutorial.