Given:
 VERSION (e.g. 2015.03-1)

o Make sure we have a $VERSION branch. If not, create one

o Update VERSION and VERSIONDATE in
  openscad.pro
  scripts/publish-macosx.sh
  scripts/release-common.sh
  scripts/publish-mingw-x.sh
  tests/CMakeLists.txt
  
o git tag "openscad-$VERSION"
o ./scripts/git-archive-all.py --prefix=openscad-$VERSION/ openscad-$VERSION.src.tar.gz
o git push --tags $VERSION
o Upload Source package
  $ scp openscad-$VERSION.src.tar.gz openscad@files.openscad.org:www
o Write short release email to mailing list
o Tweet as OpenSCAD
o Notify package managers
  - Debian/Ubuntu: https://launchpad.net/~chrysn
  - Ubuntu PPA: https://github.com/hyperair
  - Fedora: Miro Hrončok <miro@hroncok.cz> or <mhroncok@redhat.com>
  - OpenSUSE: Pavol Rusnak <prusnak@opensuse.org>
  - Arch Linux: Kyle Keen <keenerd@gmail.com>
  - MacPorts: https://svn.macports.org/repository/macports/trunk/dports/science/openscad/Portfile
  - Homebrew: https://github.com/caskroom/homebrew-cask/blob/master/Casks/openscad.rb
