Add a packaging option "--config-file"

$ ruby install.rb package --config-file=[filename]

[filename]
  name of config file exists under package/config/.

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2588 f4f36d40-9719-0410-9868-dde021a23eda
Add a config file for packaging with 10.9 built-in ruby-2.0

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2589 f4f36d40-9719-0410-9868-dde021a23eda