tools: update release.sh to work with new website
tools: update release.sh to work with new website

now need to specify "nodejs" or "iojs", also remove .gpg file

PR-URL: https://github.com/nodejs/node/pull/2623
Reviewed-By: jbergstroem - Johan Bergström <3e38e5ce4283f06de4b83ad13af081abc5e16740@bergstroem.nu>

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node