Mac app creation: import resource file from GitHub/dliessi/ports
Mac app creation: import py2app script from GitHub/dliessi/ports

mac-app.py is actually an improved and more flexible version.
ignore dist folder created by macosx/mac-app.py
Mac app creation: add instructions to INSTALL
Mac app creation: copyright year
Merge pull request #366 from dliessi/mac-app-in-repo

py2app script to create Mac application bundle