Given a version, e.g. 2015.03, and a patchlevel release, 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
o Upload Source package
  $ scp openscad-$VERSION.src.tar.gz openscad@files.openscad.org:www

o Revert VERSION and VERSIONDATE in openscad.pro scripts/publish-macosx.sh scripts/release-common.sh scripts/publish-mingw-x.sh tests/CMakeLists.txt

o Announce:
  - ./scripts/github-release.sh $VERSION
  - Write short release email to mailing list
  - Tweet as OpenSCAD
  - 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
