Use jenkins-cli.jar instead of the web.

jenkins_backend/sync_jobs.py

@@ -55,7 +55,7 @@ def add_job(jobname):
 
     creds = '%s:%s' % (jenkins_user, jenkins_pass)
     clijob = run(['java', '-jar', jarpath, '-s', jenkins_host, '-auth', creds,
-                  'create-job', jobname], shell=True, input=sdk_job)
+                  'create-job', jobname], shell=True, input=sdk_job.encode())
 
     return clijob