Fixes comments from previous commmit
Fix some warnings
addded few comments
Fix copy/paste bug in y4m2png help.

This outputs PNGs, not Y4Ms.
First commit of logging code
Cleanup trailing whitespace

Conflicts:
	unix/Makefile
dummy test using Check
mingw32 fix (by brooss)
fix merge conflicts
Include <math.h> for M_PI.

We also need to define _USE_MATH_DEFINES on MSVC for the constants
to be visible.
Add autotools build system
Add gitignore file
build: Fix linking with Ogg, move file to base
disable docs for now
Add Ogg cflags to examples
Adds support for block size decision.

This now runs at once on the entire frame and saves decisions on an 8x8
block basis.
Enable logging
Actually disable docs this time
Clean up log partial
Fix return value