puppet does quoted includes, normalize on includes without quotes to be able have all three possibilities working

TelekomLabs-DCO-1.1-Signed-off-by: Edmund Haselwanter <me@ehaselwanter.com> (github: ehaselwanter)
Merge pull request #11 from ehaselwanter/allow-for-quoted-includes

puppet does quoted includes, normalize on includes without quotes to be able