Moving audio files for HANDLE_AUDIO

Moving audio files and binaries for processing by HANDLE_AUDIO.
Updating setup-bg1ub.tp2

Updates for setup-bg1ub.tp2:
* Change BGT/Tutu compatibility block FILE_EXISTS check to copy of
placeholder file, since Ice Island might not be installed by user
choice.
* Update audio handling to use HANDLE_AUDIO instead of custom
processing batch files/shell scripts
* BGEE has copies of AR1010 .wed and .bmp files.  Exempt BGEE from COPY
command for AR1010 resources.