Log Message:
Update from version 1.15nb1 to 1.16.

Pkgsrc changes:
 o Update dependencies based on META.yml

Upstream changes:

1.16 - Sun 14 Dec 2008 15:28:38 PST
 - use POST instead of GET to selenium server (gyrm)
 - add support for per-session javascript (gyrm)
 - add unit tests and docs for re-using session_ids