Orbital (#16)

* Port previous ethernet scheme

* Add ipd

* Fix initfs rebuilds, use QEMU user networking addresses in ipd

* Add tcp/udp, netutils, dns, and network config

* Add fsync to network driver

* Add dns, router, subnet by default

* Fix e1000 driver. Make ethernet and IP non-blocking to avoid deadlocks

* Add orbital server, WIP

* Add futex

* Add orbutils and orbital

* Update libstd, orbutils, and orbital
Move ANSI key encoding to vesad

* Add orbital assets

* Update orbital

* Update to add login manager

* Add blocking primitives, block for most things except waitpid, update orbital

* Wait in waitpid and IRQ, improvements for other waits

* Fevent in root scheme

* WIP: Switch to using fevent

* Reorganize

* Event based e1000d driver

* Superuser-only access to some network schemes, display, and disk

* Superuser root and irq schemes

* Fix orbital

initfs/etc/init.rc

@@ -3,9 +3,9 @@ initfs:bin/redoxfs disk:0
 initfs:bin/pcid file:etc/pcid.toml
 file:bin/vesad
 file:bin/ps2d
+file:bin/ethernetd
+file:bin/ipd
+file:bin/tcpd
+file:bin/udpd
 file:bin/getty display:1
-file:bin/getty display:2
-file:bin/getty display:3
-file:bin/getty display:4
-file:bin/getty display:5
-file:bin/getty display:6
+file:bin/orbital display:2