New version tree
Fresh wallpaper
New MOTD
Relatively compliant uname() implementation

Also, sleep() as a function (implemented by way of nanosleep) and new
absolute and relative sleep system calls added to newlib.

[ci skip] I damn well know this is going to break CI.
Really hack VFS implementation
Cleanup
device file coloring in ls
Improvements to lists
Reserve some entries for process scheduling
Blocking serial reads
Rough PTY support (needs work)
procfs, and more pty cleanup
Fix termios.h in newlib
procfs extensions and ps command
Rough ioctl with support for winsize
More rough stubs and fixes
Fix warning in syscalls.c
Add debian case for apt-get install of deps
Some fixes and cleanup
fix stat for missing file