* misc backend fixes:
- fix running w/o local minio
- ensure crawler image pull policy is configurable, loaded via chart value
- use digitalocean repo for main backend image (for now)
- add bucket_name to config only if using default bucket
* enable all behaviors, support 'access_endpoint_url' for default storages
* debugging: add 'no_delete_jobs' setting for k8s and docker to disable deletion of completed jobs
support screencasting to dynamically created service via nginx (k8s only thus far)
add crawl /watch endpoint to enable watching, creates service if doesn't exist
add crawl /running endpoint to check if crawl is running
nginx auth check in place, but not yet enabled
add k8s nginx.conf
add missing chart files
file reorg: move docker config to configs/
k8s: add readiness check for nginx and api containers for smoother reloading
ensure service deleted along with job
todo: update dockerman with screencast support
move mongo into separate optional deployment along with minio
support for configuring storages
support for deleting crawls, associated config and secrets
- working apis for adding crawls, removing crawls in mongo, mapped to k8s cronjobs
- more complete crawl spec
- option to start on-demand job from cronjobs
- optional minio in separate deployment/service
