* Use new "url" features
* Use keg_only DSL
* Use "skip_clean :all" DSL
* Whitespace and style cleanups
* Make bash invocations less silly
* Use new man2-man8 helpers
* Remove "FileUtils." since it is included in Formula
* Use real names for deps instead of aliases
* ENV.x11 now updates path, so remove that from individual brews
Pngrewrite is command-line utility that reduces the unnecessarily large palettes that too many programs write into PNG files. It also optimizes transparency settings, and reduces the bits-per-pixel if possible. Handy for post-processing images before putting them on a web site.
Signed-off-by: Adam Vandenberg <flangy@gmail.com>