adding initial package maker document

doesn't work yet
newer better version of the installer - apparently works
Merge branch 'master' of https://github.com/nicolashincker/i-score
installer for 0.1 alpha 1

installer has been improved (background picture, license and other texts)
Merge branch 'master' of github.com:nicolashincker/i-score
Essai icone
changing "composition“ to "scenario" in the hint - not using style sheet
Merge branch 'master' of github.com:nicolashincker/i-score
removing button again
removing "fake" icon
including libqsvg in package - should be ready for alpha release now
Goto réparé ! (à vérifier par d'autres tests)