Added license headers in ASM files
Use lower mm registers in be_blur.asm
Added XMM register count in be_blur; should help #48
Remove unnecessary instruction
Fix limits.h includes

These were missing in several places. Fixes #50.
Define HAVE_ALIGNED_STACK; should wrap up #48
We have aligned stack on Win64
Update changelog
Update version info
Update changelog
Add missing distfiles
Update version info and changelog
Create README.md
Format README.md