New commits:
commit 36983204e72fe56ef1652c76b6e2d19a558a48ba
Author: Justin Boffemmyer <flux AT sourcemage.org>
Commit: Justin Boffemmyer <flux AT sourcemage.org>
base/etc/fstab: add shm tmpfs definition
Define a tmpfs mount for /dev/shm by default to enable POSIX shared
memory access for users. They can of course disable this, but it's a
reasonable default.