This PR registers requests with the process manager and manages hierarchy within the processes.
Git repos are then associated with a context, (usually the request's context) - with sub commands using this context as their base context.
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Update makefile to use dep
* Migrate to dep
* Fix some deps
* Try to find a better version for golang.org/x/net
* Try to find a better version for golang.org/x/oauth2