Merge pull request #2 from Yahgo/master

Merge from master repo
Node service for serving data64 encoded images now accepts protocol relative urls
Merge pull request #3 from Akaryatrh/protocol_relative_url

Node service for serving data64 encoded images now accepts protocol relative urls
Merge pull request #15 from Akaryatrh/master

Node service for serving data64 encoded images now accepts protocol relative urls