build: adding cherrypicking helper to git helper
2.6 (2.5.x Dev series) release notes

Signed-off-by: Sam Kleinman <samk@10gen.com>
Update parameters-map-reduce.rst

The sort key must be in an existing index for this collection.

Signed-off-by: kay <kay.kim@10gen.com>
DOCS-1208 agg command overview/xref