[bug] Fixing buffered streams to proxy properly

Fixes #109, #125
[Rackspace] Standardizing Auth on Openstack Keystone
[log] Adding a bunch of log emits for debugging
Adding keys support to rackspace provider
[minor] package.json cleanup for v0.8
[minor] Fixing up deltas after a rebase from master
[minor] Updating changelog for v0.8
[auth] Adding the ability to re-authenticate automatically on token expiry

This fixes #136
[minor] Updating changelog for v0.8
[minor] Additional logging for requests
Merge branch 'master' into v0.8
[docs] fixes amazon section documentation

fixes #111
[docs] Updating rackspace documentation section
[Doc] More cleanup for Doc README
Update storage.md
[minor] removing unused argument on client.getFiles
[doc] Update README links to new rackspace subsections
[docs] Adding a simple getting started example for Rackspace
[docs] Making sure getting-started for compute is named appropro
[fix] updating getFiles to take unused options for rackspace