Fix Bug 365: Bug on javax.media.opengl.glu.GLU.gluBuild2DMipmaps
Fixed convolution window widths for single column scaling.
Merge pull request #71 from esemplare/master

Fix Bug 365: Bug on javax.media.opengl.glu.GLU.gluBuild2DMipmaps
I will commit your unit test manually from the bug report (pls add it to your pull request next time)
Thank you!