Revert "Update GCC48 version to 4.8.3 and add boxen prefix"
Merge pull request #9 from boxen/revert-6-rm-gcc48-3

Revert "Update GCC48 version to 4.8.3 and add boxen prefix"
update formula to homebrew standard
move naming from gcc48 to gcc
Update .travis.yml
moved back to gcc48