Packaging: add option create zip file instead of dmg
Packaging: add option create zip file instead of dmg

larrytin/VLCKit,CollabraMusic/VLCKit,kamcord/VLCKit,siuying/VLCKit,i386/vlckit,kamcord/VLCKit,simon1984/test,CollabraMusic/VLCKit,waterskier2007/VLCKit,simon1984/test,waterskier2007/VLCKit,hpsoar/VLCKit,siuying/VLCKit,CollabraMusic/VLCKit,hpsoar/VLCKit,waterskier2007/VLCKit,programming086/VLCKit,programming086/VLCKit,strukturag/VLCKit,larrytin/VLCKit,simon1984/test,strukturag/VLCKit,kamcord/VLCKit,siuying/VLCKit