Fix sum example
Update for the new llvmpy binding.
Take out ugly AVX workaround for now.
Automate changelog/releasenote update.  Run update-release-notes.py
Automate versioning in docs
Merge branch 'master' into devel
Convert void return-type into object_ (for NoneType) in register_callable
Work on closures in pipeline environment
Work on improving type inference for calls with deferred argument types
Create some reusable utility codes
Allow type functions to accept deferred input type arguments
Use numba typesystem to define some llvm types
Add typedefs for access to object internals (PyCFunctionObject to access the closure scope in m_self for native calls)
Make closure validation code not use mixins
Rename closure.py to closures.py
Add separate closure lowering pass and clean up some stuff
Use native calls for closures by loading m_self from closure object
Fix how arguments are resolved for closures in different contexts
Pass in ((NumbaFunctionObject *) numba_func).func_closure instead of m_self
Pass in correct closure scope when calling closures from other closures
Simplify mangled name check