task for emailing account summary
allow changing of summary interval via account form
more appropriate names
better task split
CELERYBEAT_SCHEDULE
Merge branch 'develop' into feature/VUMIGO-293-account-email-summary
test for celery task
adding sentry logging to Celery tasks
raven, not sentry.client
Revert "raven, not sentry.client"

This reverts commit 446d6dcb1ff5191e195ade62f7cd02e6ca495bab.
Revert "adding sentry logging to Celery tasks"

This reverts commit 96f537e22c8645b23e4db702f582e58c3f84ca31.
Merge branch 'feature/VUMIGO-293-account-email-summary' into develop