Update formulae for version 0.7
Update formulae for version 0.7

* 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

joshbode/homebrew-science,kozo2/homebrew-science,maplesond/homebrew-science,pmelsted/homebrew-science,heuermh/homebrew-science,DabeDotCom/homebrew-science,ge11232002/homebrew-science,aeantipov/homebrew-science,pditommaso/homebrew-science,dpo/homebrew-science,goxberry/homebrew-science,parcollet/homebrew-science,philippbayer/homebrew-science,quantumsteve/homebrew-science,ahundt/homebrew-science,andrewjpage/homebrew-science