Remove unused timeout arg to ResultsReporter init

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Add a requests.Session object to ResultsReporter

By default it is set up to retry requests 10 times

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Use the new ResultsReporter.session object

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Drop usage of safe_while

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Merge pull request #247 from ceph/requests-sessions

Use a requests.Session object for retries instead of safe_while
rgw: option to create a cache pool

64mb for now!

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Bump paramiko to 1.12.0

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>