[Debian] ignsdk-debian-creator: add license choices, defaults to gpl3
[Debian] ignsdk-debian-creator: add license choices, defaults to gpl3

anak10thn/ignsdk-qt,wejick/ignsdk-qt,anak10thn/ignsdk-qt,wejick/ignsdk-qt,anak10thn/ignsdk-qt,anak10thn/ignsdk-qt,anak10thn/ignsdk-qt,wejick/ignsdk-qt,wejick/ignsdk-qt,wejick/ignsdk-qt