add lib32 flag for mhwd on x86_64
add MHWD64CONFIG file and MHWD64_IS_LIB32 checks for x86_64
add lib32 check for setgl
add --lib32 parameter
add some output msg
set_lib32  ->  root privs
lib32 msg change
only write config if old val != new val
Merge pull request #4 from udeved/master

Make usage of lib32 optional