Merge pull request #1059 from josephfrazier/uninstall-multiple-versions-pronoun

uninstall: improve pronoun for multiple version message

Library/Homebrew/cmd/uninstall.rb

@@ -25,7 +25,7 @@ module Homebrew
             versions = rack.subdirs.map(&:basename)
             verb = versions.length == 1 ? "is" : "are"
             puts "#{keg.name} #{versions.join(", ")} #{verb} still installed."
-            puts "Remove them all with `brew uninstall --force #{keg.name}`."
+            puts "Remove all versions with `brew uninstall --force #{keg.name}`."
           end
         end
       end