.travis.yml: refine explanation of no -j3 on osx [ci skip]
With travis_wait, we may not need -j3 for test-all anymore, but still we need to avoid hanging on building Ruby somehow.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
.travis.yml: refine explanation of no -j3 on osx [ci skip]
With travis_wait, we may not need -j3 for test-all anymore, but still we
need to avoid hanging on building Ruby somehow.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e