FreeTumble 1.1

New maintenance release to make FreeTumble more packaging-friendly:

• Port the engine to SFML 2.x
• Enable VSync
• Clarify licensing and remove nonfree contents
• Add libre music by Alex Smith, Bart Kesley and Przemysław Sikorski
• Add libre sound effects by Obani
• Switch to CMake buildsystem
• Enable system-wide installation (for Linux packaging)

FreeTumble 1.0

Original release from 2009 at https://sourceforge.net/projects/freetumble/files/freetumble/1.0/