libswiften: boost 1.56 compatibility
libswiften: update 2.0 bottle.

Closes #32491.

Signed-off-by: Tim D. Smith <git@tim-smith.us>
rethinkdb: boost 1.56 compatibility
rethinkdb: update 1.14.1 bottle.
xplanetfx: update 2.5.33 bottle.