DOCS-2428 add param table to view roles
DOCS-2580: update positional projection operator page organization

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-2580: update positional update operator page organization

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-2580: add note about negations and the positional projection operator

Signed-off-by: Sam Kleinman <samk@10gen.com>
minor: correction
DOCS-2251
DOCS-2575: clarify tailiable cursor use case
DOCS-2573: adding deprecation notes for cursorInfo
DOCS-2492 authentication concepts page