SD-1159 : Create the initial version for ingested documents
feat(ingest): set polling interval per ingest channel

SD-1023
test(privilege): test authorization

SD-1069 SD-1091
[SD-786] Slugline will be indexed for ordering
[SD-783] added functionality so that oldest files is processed first.
removed unnecessary if statements.
Merge pull request #406 from petrjasek/feat-ingest

set polling interval per ingest channel
Merge pull request #411 from petrjasek/master

test(privilege): test authorization
Merge pull request #412 from akintolga/master

[SD-786] Slugline will be indexed for ordering
Merge pull request #413 from mdhaman/master

[SD-783] added functionality so that oldest files is processed first.
Merge pull request #408 from ioanpocol/master

SD-1159 : Create the initial version for ingested documents
Revert "fix(ingest) - disable expired content removal"

This reverts commit 281e051344c9fe8e835941117e2d2068ecdabd87.
Merge pull request #410 from amagdas/remove-expired

Revert "fix(ingest) - disable expired content removal"