Update ruby 1.9.3 to p448

This commit updates the ruby on the 1.9.3 branch to patch level 448, which
addresses CVE-2013-4073.

Signed-off-by: Moses Mendoza <moses@puppetlabs.com>
Re-apply Fixup-generated-batch-files-to-not-support-Windows-9.patch to correct hashbangs
Merge pull request #9 from MosesMendoza/maint/1.9.3/update_to_p448

Update ruby 1.9.3 to p448