fixed activity message
feat(ingest): introduce anpa file parser

SD-702
Merge pull request #431 from mugurrus/master

fixed activity message
Merge pull request #432 from petrjasek/feat-anpa

feat(ingest): introduce anpa file parser
fix(celery): use crontab to schedule gc tasks

this should prevent some initial load when beat is started
because it schedules all tasks right away