Move teuthology.report import; add large warning

Because of the monkey patching, if we get the import order wrong bad
things happen.

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Store the job_id as a str, not an int.

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Make teuthology-schedule also print the job's name

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Make most of lock_machines() PEP-8 clean.

Also, use some better variable names.

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Tweak logic of try_push_job_info()

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Merge pull request #124 from ceph/wip-store-results

Various fixes related to reporting