Implementing some MAC features and cleaning up priv
Fixing build errors
Revised PRIVs
Renamed MAC to Process Capabilities

- syscall interface to alter pocess capabilities
Use priv when setting ruid, euid and suid

Changes to proc.c + cleaning up useless privs.
suser_enabled to kconfig
require fs.h -> proc.h
Ehm... don't know how to count bits
Check priv to stat
MSDOSFS WIP
WIP
file systems should be listed before libs
Dev inprogress with msdosfs support