drop readable-stream to node v0.10 compatible version. this feels safer and more reliable than using v0.11 since we are only polyfilling v0.8.
drop readable-stream to node v0.10 compatible version. this feels safer and more reliable than using v0.11 since we are only polyfilling v0.8.

djchie/node-archiver,lotterfriends/node-archiver,soyuka/node-archiver,yavorski/node-archiver,archiverjs/node-archiver,soyuka/node-archiver,haledeng/node-archiver