Refactoring proc
Add proccred libc functions
Add chdir syscall and vput(), vrele(), vunref() and vref()
Handle cwd refcount a bit more properly
Add rootfs to kconfig
Refactoring, improving and cleaning up ramfs related things

- Completely revised inode pool
- Bug fixes and cleanup on dehtable
Generally better support for freeing memory after unlink.
Some concurrency improvements though everything is still not protected
properly.
Inpool as an optional part of the kernel
Nicer vnops inheritance in devfs
Add cat command to tish
Refactoring and cleaning getdents and readdir
MSDOSFS WIP
WIP
file systems should be listed before libs
Dev inprogress with msdosfs support