Refactor the compiler pipeline
Interpreter mode fallback
Merge branch 'master' into better_fallback

Conflicts:
	numba/compiler.py
Fix missing lines from merge and cleanups
Split Dummy type to Phantom and Opaque
Add failure in ByteCode() to be considered for fallback
Make unittest_support unset INTERPRETER_MODE at import time and warn if it is already set
Add complex.conjugate().
Avoid this assertion from failing when tracing
Merge branch 'master' into better_fallback

Conflicts:
	numba/_dispatcher.c
Fix _MinimalResult pickling for expected failures
Add decorator to allow interpreter_mode to turn for a test function
Replace assertRaisesRegex
Refactor compiler pipeline
Fix tests
Make interpreter mode enabled by default
Fix ufunc mismatch ordering
Allow object mode for @vectorize
Small fix
Cleanup