Add buildlink3.mk file, which will be used by libbfio. Update MASTER_SITES.
Use Makefile variable for datestamp in DISTFILE, which is also used in
WRKSRC.
Import libcdata-20130407 as wip/libcdata.

Library for cross-platform C generic data functions.
+libcdata
Import libcpath-20121225 as wip/libcpath.

Library for cross-platform C path functions.
+libcpath