Return Root Client Authorization Token using /privet/v3/accessControl/*
RCAT is returned in /privet/v3/accessControl/claim results.
Then client needs to store token and call
/privet/v3/accessControl/confirm with original or derived token.
Depending on result of confirm call client may:
1. No error - Start using token
2. Request error - retry confirm step
3. Unknown token - claim access again
4. Already claimed error - to late, someone else claimed device
BUG=25766815, 26143922
Change-Id: I9d25004e84210142214e6eb0a23d8e3ae7b57d6a
Reviewed-on: https://weave-review.googlesource.com/1885
Reviewed-by: Vitaly Buka <vitalybuka@google.com>
6 files changed
