Add python 3 to Travis-CI build matrix
Add python 3 to Travis-CI build matrix

This adds Python 3.2 to the list of Python versions to use for the
Travis-CI test builds of NIPAP.

bbaja42/NIPAP,ettrig/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,garberg/NIPAP,SoundGoof/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,garberg/NIPAP,fredsod/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,garberg/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,garberg/NIPAP,ettrig/NIPAP,SoundGoof/NIPAP,garberg/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,ettrig/NIPAP,ettrig/NIPAP,plajjan/NIPAP,garberg/NIPAP,fredsod/NIPAP