MicroWar 2.0rc1 released

What's new :
* add German support (thanks to Talamon70)
* add partial Spanish and Italian support
* adapt some text location and button width for other languages
* music on the menus
* add a bonus when the player dont miss fire (successive good hits) + bonus when PC was flying
* history : macos logo was introduced with system 7.5 : change os-icons according
* adding new bonus: Newton (1993) iPod (2001) and iPhone (2007) with new capabilities
* separate preference file and hiscore file
* update release history with new 'ultimate' iMac (october 2009)
* big explosion for saucers and bonus hit
* enhance sprite's basic exploding handle (FGame)
* store webID for high score submission
* shared highscores list can now be browse with the player scores highlighted (with webID)
* shared highscores : filter by versions
* add new options : 'music volume' and 'maximum frame rate'(display speed limit)