xing/TinyPNG — pull request #2 by koenpunt (2012-11-16 16:14:24+00:00)
Title: Optimized and updated install, now using latest pngout

Quite a lot of changes:

### In install.sh

- Updated to use latest PNGOUT (which has support for x86_64).
- When on linux auto detect architecture, if that fails, fallback to selecting
- Added [Homebrew](http://mxcl.github.com/homebrew/) as supported package manager

### In tinypng

- When the source is a directory, ignore resource forks (`._*`)
- Suppressed `tar` warning of `Stripping '/'...`