Add a flag to delete jobs 

Also allow for skipping the sync step if you just
want to delete jobs
Merge pull request #257 from airbnb/sync-script-delete-jobs

Add a flag to delete jobs
Update README.md

fix a error description of Endpoint in chapter "Adding a Dependent Job"
Merge pull request #259 from depay/patch-1

Update README.md
Updated travis config.
Fix build, update pom.
Make ZK tests less flaky.
Add build status to README.
Added `runAsUser` job parameter.
Swap ganglia for graphite reporter.
Update CONFIG.md.
Implemented replacement web UI.

Added separate button to create new dependent job.

Removed edit/new job functionality from UI.

Dropped duplicate button.

Added enable/disable toggle button.

Conflicts:
	src/main/resources/assets/app/static/js/chronos_jquery.js
Fixed dependency path for enable/disable button.
correct use of Option
Include scheduler message on memory failures.