Reductions on multiple dimensions
fix util->utils import
clean up around Reduction(axis=None) default

1.  Server tests
2.  docs
3.  std/var __init__
Merge branch 'master' into array-reductions
numpy: reductions use axis kwarg
Merge branch 'master' into array-reductions
test 3d->1d numpy reduction
Merge branch 'master' into array-reductions

Conflicts:
	blaze/compute/tests/test_numpy_compute.py