Fixing the backend test as per the PR comments.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
[SD-783] turn on - off ingest channels.
fix(private): make private content private

SD-1165
[SD-783] Fixing the test and code after refactoring.
[SD-783] Reverting the modified code.
Merge pull request #400 from petrjasek/fix-private

fix(private): make private content private
Merge pull request #407 from mdhaman/master

(feat)[ingest] - Adding turn on and turn off the ingest providers.
SD-1159 : Create the initial version for ingested documents
fix(mail) - SD-1191, blind fix
Merge pull request #409 from amagdas/master

fix(mail) - SD-1191, blind fix
chore(elastic): update eve-elastic lib
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.
[SD-1197] adding rules_set api endpoint.
[SD-1197] Behave test for rules set end point.
[SD-1199] Backend transformation rule implementation.