Replaced non-ASCII characters in README.md with ASCII equivalents, to work around COOK-1843.
Replaced non-ASCII characters in README.md with
ASCII equivalents, to work around COOK-1843.

serfdom/homebrew,wantedly/homebrew-cookbook,errm/chef-homebrew,sergiopatino/homebrew,prezi/chef-homebrew,kennonkwok/homebrew,wendorf/homebrew,FieldKey/chef-homebrew,jeroenj/homebrew-cookbook,walkah/chef-homebrew,opscode-cookbooks/homebrew,needle-cookbooks/homebrew,Skalv/homebrew,cdlm/cookbook-homebrew,MatthewMaker/homebrew,j-mutter/homebrew-cookbook,nougad/homebrew,dangmai/homebrew,Brantone/homebrew,xdissent/homebrew-cookbook,chef-cookbooks/homebrew,cookbooks/oc-homebrew,airbnb/homebrew,ebollens/chef-cookbook-homebrew,sochoa/homebrew,steigr/chef-homebrew