CLN: change requirements to only use numpy>=17
Merge pull request #7954 from cpcloud/drop-np16

CI: Drop numpy 1.6 support
CI: start using conda
CLN: no need for conda script since it is not that much code
CLN: hide the ccache for a moment
CLN/CI: gut install and use conda
CI: add cpcloud binstar channel
CI: wheel box is gone now
CI: 26 req
CI: 27 req
CI: 27locale req
CI: 33 req
CI: 34 req
CI: conda will not allow add and set for config
CI: duh have to set always yes before calling commands that might use -y
CLN: need job tag
BLARG!
CI: print out for debugging
CI: use ci path
CI: upgrade pytables