Log Message:
Updated to latest release. Add options.mk file to allow the user to select
the static and tests options. PLIST is handled accordingly for the static
option, which switches between static and dynamically linked libraries.
Handle buildlink3.mk appropriately for static build. Comment patch.

From ChangeLog:

from ucommon 6.0.4 to 6.0.5
- additional constructors to pass pre-allocated memory

from ucommon 6.0.3 to 6.0.4
- fix for address list comparison issue