1x7 = 7, not 1
Update glsl to match README.md, which seems to have appropriate dimensions
Fix degenerate case area where A is pointing almost in opposite direction to B
Merge pull request #84 from mdda/03-intro-3

03-intro-3 : Degenerate cases make this very difficult...
Merge pull request #70 from hamoid/patch-1

1x7 = 7, not 1
Merge pull request #82 from mdda/26-gpgpu-3

26-gpgpu-3 : Wave Eqn : Descriptive text differs from Model answer