nodejs: new package

Based off of patches posted by (and Signed-off-by: ) Jonathan Liu <net147@gmail.com>

[Peter: fix Config.in whitespace]
Signed-off-by: Daniel Price <daniel.price@gmail.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>