Add parser to jenkins.py
Put the parser variable in the correct place
Remove unused import
Add warning to docs about topfile compilation

Ref #12483
Merge pull request #18443 from basepi/issue-12483-docs

Add warning to docs about topfile compilation
Merge pull request #18439 from rallytime/jenkins_argparse

Jenkins argparse
Fix OrderedDict import in runners/lxc.py
Merge pull request #18464 from rallytime/pylinting

Fix OrderedDict import in runners/lxc.py