upgrade numpy to 1.9.0
upgrade numpy to 1.9.0

http://docs.scipy.org/doc/numpy-dev/release.html#numpy-1-9-0-release-notes
mlgruby/mining,jgabriellima/mining,chrisdamba/mining,seagoat/mining,avelino/mining,jgabriellima/mining,mining/mining,chrisdamba/mining,mlgruby/mining,seagoat/mining,AndrzejR/mining,AndrzejR/mining,mining/mining,mlgruby/mining,avelino/mining