Yet another Node version bump: to 0.10.20. Fixes tls read bug.
Upgrade lots of dev bundle NPM modules.

Needs a license review.
Upgrade lots of package Npm dependencies.
http-proxy is called http-proxy again.
remove outdated comment
Whoops, forgot to increment the dev bundle version number.
Shrinkwrap update.
Replace byline npm module with eachline.

Node 0.10-compatible versions of byline (eg 3.1.2) drop empty lines.