hevea 2.16

Closes #31441.
hevea: update 2.14 bottle.
mongodb 2.6.4

Closes #31517.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
mongodb: update 2.6.4 bottle.
pebble-sdk 2.4
pebble-sdk: update 2.4 bottle.