[SER-1985] logger: replaced capped collection with periodic clean up job#5708

ArtursKadikis merged 4 commits intonextCountly/countly-server:nextfrom

SER-1985-ss-logger-plugin-needs-to-be-reworkedCountly/countly-server:SER-1985-ss-logger-plugin-needs-to-be-reworkedCopy head branch name to clipboard