Make CPShadow mutable.
Make CPShadow mutable.

This commit adds the various `CPShadow` setters such as `setShadowColor:`.

krodelin/cappuccino,primalmotion/cappuccino,AlexanderMazaletskiy/cappuccino,daboe01/cappuccino,krodelin/cappuccino,zittix/cappuccino,koamac/Cappuccino,rgv151/cappuccino,Dogild/cappuccino,FrankReh/cappuccino,tancred/cappuccino,primalmotion/cappuccino,koamac/Cappuccino,primalmotion/cappuccino,rgv151/cappuccino,daboe01/cappuccino,enquora/cappuccino,krodelin/cappuccino,wangshijin/cappuccino,kidaa/cappuccino,krodelin/cappuccino,mrcarlberg/cappuccino,wangshijin/cappuccino,cappuccino/cappuccino,krodelin/cappuccino,deltaprojects/cappuccino,koamac/Cappuccino,enquora/cappuccino,zittix/cappuccino,deltaprojects/cappuccino,rgv151/cappuccino,cacaodev/cappuccino,mrcarlberg/cappuccino,kidaa/cappuccino,FrankReh/cappuccino,FrankReh/cappuccino,FrankReh/cappuccino,tancred/cappuccino,Rosch/cappuccino,wangshijin/cappuccino,rgv151/cappuccino,tancred/cappuccino,mrcarlberg/cappuccino,cacaodev/cappuccino,Rosch/cappuccino,koamac/Cappuccino,deltaprojects/cappuccino,cappuccino/cappuccino,wangshijin/cappuccino,wangshijin/cappuccino,cappuccino/cappuccino,krodelin/cappuccino,tancred/cappuccino,primalmotion/cappuccino,mrcarlberg/cappuccino,cappuccino/cappuccino,FrankReh/cappuccino,tancred/cappuccino,Dogild/cappuccino,rgv151/cappuccino,enquora/cappuccino,deltaprojects/cappuccino,daboe01/cappuccino,daboe01/cappuccino,rgv151/cappuccino,AlexanderMazaletskiy/cappuccino,Rosch/cappuccino,enquora/cappuccino,zittix/cappuccino,FrankReh/cappuccino,tancred/cappuccino,mrcarlberg/cappuccino,AlexanderMazaletskiy/cappuccino,cappuccino/cappuccino,zittix/cappuccino,cacaodev/cappuccino,cacaodev/cappuccino,Dogild/cappuccino,cacaodev/cappuccino,primalmotion/cappuccino,zittix/cappuccino,FrankReh/cappuccino,Rosch/cappuccino,enquora/cappuccino,koamac/Cappuccino,kidaa/cappuccino,zittix/cappuccino,Rosch/cappuccino,deltaprojects/cappuccino,kidaa/cappuccino,daboe01/cappuccino,cacaodev/cappuccino,mrcarlberg/cappuccino,mrcarlberg/cappuccino,koamac/Cappuccino,cacaodev/cappuccino,AlexanderMazaletskiy/cappuccino,zittix/cappuccino,enquora/cappuccino,AlexanderMazaletskiy/cappuccino,Dogild/cappuccino,cappuccino/cappuccino,enquora/cappuccino,kidaa/cappuccino,deltaprojects/cappuccino,AlexanderMazaletskiy/cappuccino,daboe01/cappuccino,FrankReh/cappuccino,deltaprojects/cappuccino,primalmotion/cappuccino,primalmotion/cappuccino,kidaa/cappuccino,wangshijin/cappuccino,rgv151/cappuccino,daboe01/cappuccino,mrcarlberg/cappuccino,Dogild/cappuccino,Dogild/cappuccino,Rosch/cappuccino,Rosch/cappuccino,cappuccino/cappuccino,krodelin/cappuccino,Dogild/cappuccino