Merge pull request #392 from ebraminio/master

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better cleanup method
cleanup orphan entries later
can't use object equality with hibernate proxies
cleaner way of deleting relationships
delete entries with no feeds
materialize the manytomany relationship to have better control over queries
relationships are lazy
reduce batch size
setting to pause feed crawling
show active threads in metrics
restore predicate
limit batch size
faster feed cleanup
Additional fix and update
Merge pull request #394 from ekovi/master

sk translation fix
better error message
additional precaution
document admin rest operations
don't check the query params for feedburner