fix(elastic): put mapping after registering resources

by default it pushes mapping during app init, but we register
resources only after..
fix(procfile): setup celery worker process
Merge pull request #131 from petrjasek/master

put elastic mapping after resources are registered
SD-404 : Write more behave tests, especially for error flows

Search by guid instead of _id
planning item schema
new module fro planning and tests for it
feat(Planning) SD-456 Planning API and refactor media archive
Initialize ArchiveIngestModel in the same way as the rest of archive models.
Remove unneeded blueprint