Reorganized N64 controller prefs
Implement SDL threads and condition variables (not tested)
Update mupen core from hg
and new files and remove deleted files from project
These are defined in mupen now
Update the interface to the plugins and ROM_HEADER
add back a ifndef
replace removed osal_dynlib_open
update the version string to prevent confusion
we can't use new_dynarec at all
Add DM64P_PARALLEL cflag