Finished adding untested bare functionality vfs

Finished adding untested shm syscalls.
Finished adding untested l4 send/recv helpers

Everything compiles. Now going to fix lots of bugs ;-)

tasks/blkdev0/src/init.c

@@ -6,5 +6,6 @@
 
 void init_blkdev(void)
 {
-	ramdisk.ops.open(&ramdisk);
+	ramdisk[0].ops.init(&ramdisk[0]);
+	ramdisk[1].ops.init(&ramdisk[1]);
 }