Initial commit, includes bsd.cross.mk, changes to HAS_CONFIGURE, GNU_CONFIGURE and GONFIGURE TARGET -INCOMPLETE-
pass arch target to run_depends targets, excluse build_depends, yet to add lib and primary target to cross.  initial clang support, comments and initial gcc support including instructions for xdev install in host jail.  currently requires chrooted jails.  when finished will be a complete canadian cross environment.
Merge https://github.com/capncook/ports

Copy release.
Add pasta.