CBQE-0: initial version of jenkins_jobs_report.py script

 usage: python jenkins_jobs_report.py
 for now it handles 5 last runs for all jobs in jobs.ini and generate results.csv

Change-Id: I14db78fa24ee4bd1563908b1b3e61ebcc48507d9
Reviewed-on: http://review.couchbase.org/35364
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>