Rename HEAD only tap.

Library/Homebrew/cmd/audit.rb

@@ -277,7 +277,7 @@ class FormulaAuditor
   end
 
   def audit_specs
-    if head_only?(formula) && formula.tap != "homebrew/homebrew-headonly"
+    if head_only?(formula) && formula.tap != "homebrew/homebrew-head-only"
       problem "Head-only (no stable download)"
     end
 

Library/Homebrew/tap_migrations.rb

 TAP_MIGRATIONS = {
-  "agedu" => "homebrew/headonly",
+  "agedu" => "homebrew/head-only",
   "aimage" => "homebrew/boneyard",
   "aplus" => "homebrew/boneyard",
   "apple-gcc42" => "homebrew/dupes",
@@ -79,7 +79,7 @@ TAP_MIGRATIONS = {
   "jsl" => "homebrew/binary",
   "jstalk" => "homebrew/boneyard",
   "justniffer" => "homebrew/boneyard",
-  "kerl" => "homebrew/headonly",
+  "kerl" => "homebrew/head-only",
   "kernagic" => "homebrew/x11",
   "kismet" => "homebrew/boneyard",
   "klavaro" => "homebrew/x11",