Added python 3 installs of numpy and scipy.
Added python 3 installs of numpy and scipy.

skidzo/pydy,Shekharrajak/pydy,jcrist/pydy,pydy/pydy-code-gen,Shekharrajak/pydy,jcrist/pydy,Shekharrajak/pydy,skidzo/pydy,skidzo/pydy,jcrist/pydy,oliverlee/pydy,jcrist/pydy,jcrist/pydy,oliverlee/pydy,jcrist/pydy,oliverlee/pydy,Shekharrajak/pydy,skidzo/pydy,jcrist/pydy,pydy/pydy-code-gen