3550: Improve startup time by removing excess api client instantiation.
3550: Add --run-jobs-here flag to arv-run-pipeline-instance.

Run new jobs locally with arv-crunch-job instead of asking
crunch-dispatch to run them.
3550: Clarify help message, mention that there are limitations.
3550: Merge branch 'master' into 3550-local-pipeline
3550: Update docs to match new flag name. Add note about job re-use.
3550: Remove extraneous "to" in usage message.
3550: Fix crash when --template loaded from local JSON file has no uuid.
3550: Add missing .andand
3550: Add missing .andand
3550: Fix running local job repeatedly on subsequent loop iterations.
3550: Fix race conditions: avoid setting running/success/finished_at
attributes until output and log have been saved.
3550: Merge branch 'master' into 3550-local-pipeline

Conflicts:
	sdk/cli/bin/arv-run-pipeline-instance
Merge branch '3550-local-pipeline' closes #3550