ONAP: Improve jenkins rebase and push-upstream jobs

- Mirror all branches from ONAP upstream to Nordix Gerrit.
- Fix corrupt zip file problem when pushing to ONAP upstream.
- Cache the git repository on the Jenkins slave nodes
  when rebasing repositories.
- Make sure the commit hash in the local repo is the same
  as in Nordix Gerrit and the same as the commit hash
  in the upstream ONAP gerrit.
- Update ONAP push upstream job to preserve git topics.
- Decrease number of jobs required for ONAP project in Jenkins.

Change-Id: I11973774eaf92d91ccf44a8f659be994fe5e5e69
108 files changed
tree: 1ee4e3f9c406236507278d18c7962ecea11c368d
  1. jjb/
  2. .gitignore
  3. .gitreview