Merge pull request #294 from jupyter/on-to-binder

Link to JupyterHub and BinderHub docs

declare tmpnb deprecated, point to new resources

Merge pull request #291 from minrk/xheaders

trust xheaders

Merge pull request #288 from apurva3000/user_defined_mount_point#226

user defined mount point in host_directories option. Fixes jupyter/tmpnb#226

Merge pull request #286 from rushgeo/patch-1

Updating license to match BSD-3 format

fix redirect link

base path should include slash

call the version with the max-time 0.2.0

Merge pull request #284 from minrk/adhoc-fails

Merge pull request #283 from minrk/429

set started date when allocating an ad-hoc container