Merge commit '2a39b78ba6b56b582eefb15d142eb6e7184061b7'
Remove hard dependency of nose
Add dummy nottest when nose is not available
Fix nose dummy nottest function
Fix tests for python 3
Port generalized ufuncs from numbapro
Merge remote-tracking branch 'origin/gufunc' into devel

Conflicts:
	numba/tests/issues/test_issue_204.py