fix compiles (x64 target and bass.lib)

..cmake still misses x64
some more detail tweaks in the proj files
fix GetRotatedAxis

..and inline/const correctness
fix (stupid) 64bit VBscript issues

..in the end only due to outdated (32bit-)interfaces, meh :(
rename
const correctness
change registry location to VP10
fix minor issue with decals,EMreels and textboxes setting the defaults to registry and truncate stored floats to what is read back again
bring changelog and commandref uptodate
update issues and todo
move txt files
remove outdated perl script
move deprecated xaudio libs
delete some more outdated files
get rid of buildnumber, store version in registry
remove old compiler defs