remove dead elif in typeof_expr()
Developer documentation for adding type inference information
remove unneeded top table of contents in "extending frontend" doc
document template registry
change builtin_intrinsic to builtin in dev docs to match actual Numba usage
Merge branch 'master' of github.com:numba/numba into dev_docs
address review suggestions
Add an as_dtype() function and use it in numba_types_to_numpy_letter_types()
WIP - claim datetime64 and timedelta64 are support - they fail at lowering
Add cautionary comments
Merge branch 'master' of github.com:numba/numba into npdatetime_array
Merge branch 'master' of github.com:numba/numba into npdatetime_array

Conflicts:
	numba/tests/test_numpy_support.py
Merge branch 'npymath-complex' of github.com:numba/numba into npdatetime_array

Conflicts:
	numba/numpy_support.py
Make test_storeslice and test_usecases less chatty
Add more definitions for additions, and add a missing "raise" statement
Add definitions for subtraction, and raise NotImplementedError on the wrong output unit
Enforce longMessage = True in any test case subclassing numba.tests.support.TestCase
Merge pull request #709 from pitrou/issue696

Make test_storeslice and test_usecases less chatty
Update some info in README
Merge pull request #711 from pitrou/readme

Update some info in README