Update to 1.4.0.pre-alpha16
Changes:
- Rework the job request processing
- Fix pkg install/upgrade
- Fix forced reinstall
- Rework of integrity checking
- The ABI is now defined using MACHINE_ARCH meaning freebsd:10:x86:64 is now FreeBSD:10:amd64
  this is encoded in the package as "abi" the old "arch" key remains for compatibility and is translated to the old ABI
- New option ALTABI represent the ancient ABI format
- Repository configuration files can now talle ${ALTABI} as well as ${ABI}
- The audit periodic script is able to audit pkgs in jails or chroots from the host system
- The backup periodic script is able to backup database from jails or chroots to the host system
- The status periodic script is able to report on chroots and jails from the host system.
- The checksum periodic script is able to report on checksum mismatches in chroots and jails.
- pkg check now support -q (--quiet)
- 3 way merge code has been imported from the fossil scm project (not yet in use)
- Code cleanup
- Lots of minor bug fixes
- Update libucl
- Rationalise path before packaging ( /something//bla is not the same a /something/bla)
- pkg info/search -R can now specify ucl as a format for the raw output


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@370787 35697150-7ecd-e111-bb59-0022644237b5