Merge pull request #527 from stevenharman/use-preferred-homebrew-commit-message-for-updates

Use Homebrew's preferred commit message

Rakefile

@@ -173,9 +173,9 @@ task :homebrew do
 
     branch = "hub-v#{Hub::VERSION}"
     sh "git checkout -q -B #{branch}"
-    sh "git commit -m 'hub v#{Hub::VERSION}' -- #{formula_file}"
+    sh "git commit -m 'hub #{Hub::VERSION}' -- #{formula_file}"
     sh "git push -u mislav #{branch}"
-    sh "hub pull-request -m 'upgrade hub to v#{Hub::VERSION}'"
+    sh "hub pull-request -m 'hub #{Hub::VERSION}'"
 
     sh "git checkout -q master"
   end