Pass 64 bit flags to viewer_manifest.py and also copy artwork during build.
Pass 64 bit flags to viewer_manifest.py and also copy artwork during build.

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm