Use new function `_bash_it_homebrew_check()` in existing plugins and completions which look for Homebrew.
Alsö, use `$OSTYPE` instead of calling external `uname` binary.
See https://github.com/wting/autojump for more details.
Currently only supports the version installed through Homebrew on OS X.
Please feel free to provide a PR for supporting additional installation
options.
John D Pell
Ira Abramov
nikitinvasily
Stimim
Nils Winkler