* 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
Riak does not need its "lib" folder linked into the PREFIX,
so we install all of Riak privately to "libexec" and then link
in the control scripts in "bin".
