ATS2-0.3.0

## ats2-postiats-0.3.0:

    0.3.0

    This is the 37th release of ATS2, the successor of the
    ATS programming language. The compiler for ATS2 is given
    the name ATS/Positats, ATS2/Postiats or simply Postiats.

    The official website for ATS is:

    http://www.ats-lang.org

    ATS-Postiats is hosted at github:

    https://github.com/githwxi/ATS-Postiats

    Major releases of ATS2 are available at:

    https://sourceforge.net/projects/ats2-lang/

    Major releases of external packages for ATS2 are available at:

    https://sourceforge.net/projects/ats2-lang-contrib/

    Here is a list of major additions and changes since the last release:

    1. Fixing a compilation issue involving extvar
    2. pkgreloc -> atsreloc; util/atspkgreloc -> util/atsreloc
    3. Adding doc/EXAMPLE/RosettaCode as an example of [atsreloc] that makes
       it conventient to download external library code for use in a project.
    4. Adding support for PATSHOMERELOCS. Please see:
       https://groups.google.com/forum/#!topic/ats-lang-users/03LCSLaBmxU
    5. Adding script for automatically building ccomp/atslib/lib/libatsopt.a
       in future releases
    6. Reorganizing (by moving packages from ATS2-contrib to ATS2/contrib):
       ats2cpp,
       ATS-extsolve,
       ATS-extsolve-z3,
       ATS-extsolve-smt2,
       CATS-parsemit,
       CATS-atscc2js,
       CATS-atscc2pl,
       CATS-atscc2py3,
       CATS-atscc2php,
       CATS-atscc2scm,
       CATS-atscc2clj,
       CATS-atscc2erl,
       ...
       Basically, there is a lot of moving around...