Added support for rtmpt, rtmpe, rtmpte

CloudFront supports the following variants of the RTMP protocol:
RTMP—Adobe's Real-Time Message Protocol
RTMPT—Adobe streaming tunneled over HTTP
RTMPE—Adobe encrypted
RTMPTE—Adobe encrypted tunneled over HTTP

http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/HowStreamingDistributionsWork.html
Now this supports all these protocols as well.