patches for gcc4.7
argh makefile tabs
removing orcan's patches
fix make install when run from shell
Makefile tweaks for OSX
Removed a few branch statements from hot loops in Whitening::ComputeBlock()
Merge pull request #33 from jhurliman/patch-1

Removed a few branch statements from hot loops in Whitening::ComputeBlock()
Increased maximum allowed file length.
Add missing instructions for codegen.exe compilation.
Update README.md

Added link to homebrew