Switched Makefile to use full cp command, as the shortcut being used before...

Switched Makefile to use full cp command, as the shortcut being used before was not always being expanded, depending on the shell being used.

Makefile

@@ -20,7 +20,7 @@ gitlab/config/database.yml:
 	sed "s|/home/git|${gitlab_development_root}|" database.yml.example > gitlab/config/database.yml
 gitlab/config/unicorn.rb:
-	cp gitlab/config/unicorn.rb{.example.development,}
+	cp gitlab/config/unicorn.rb.example.development gitlab/config/unicorn.rb
 gitlab/config/resque.yml:
 	sed "s|/home/git|${gitlab_development_root}|" redis/resque.yml.example > $@