- .travis.yml: according to the travis ci guys, gcc-4.8 is now pre-installed on osx.
  Let's see if it works this time.


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/branches/8.1.x@4252 82007160-df01-0410-b94d-b575c5fd34c7