Update to new icons!

indra/llwindow/llwindowsdl.cpp

indra/newview/icons/beta/alchemy.icns

indra/newview/icons/beta/alchemy.ico

indra/newview/icons/beta/alchemy_1024.png

indra/newview/icons/beta/alchemy_128.png

indra/newview/icons/beta/alchemy_16.png

indra/newview/icons/beta/alchemy_256.BMP

indra/newview/icons/beta/alchemy_256.png

indra/newview/icons/beta/alchemy_32.png

indra/newview/icons/beta/alchemy_48.png

indra/newview/icons/beta/alchemy_512.png

indra/newview/icons/beta/alchemy_64.png

indra/newview/icons/project/alchemy.icns

indra/newview/icons/project/alchemy.ico

indra/newview/icons/project/alchemy_1024.png

indra/newview/icons/project/alchemy_128.png

indra/newview/icons/project/alchemy_16.png

indra/newview/icons/project/alchemy_256.BMP

indra/newview/icons/project/alchemy_256.png

indra/newview/icons/project/alchemy_32.png