Correct intra sad function labels.

- These haven't been 16 bit for a long time.
Move intra SAD and SATD functions under strategies.
Separate strategyselector debug prints from _DEBUG.

- I only want to see the strategy stuff.
Update VS project.

- Disable warnings about converting function pointers to void *.

- Treat incorrect indirection levels warnings as errors.
Merge branch 'intra-sad-strategies'