git: HAMMER2 - Update DESIGN document

[Matthew Dillon]

commit 57614c517203403e7fe4a34c370c7151ba52c539
Author: Matthew Dillon <***@apollo.backplane.com>
Date: Sat Dec 8 20:58:18 2018 -0800

HAMMER2 - Update DESIGN document

* Bring the design document up-to-snuff.

Summary of changes:
sys/vfs/hammer2/DESIGN | 447 +++++++++++++++++++++++++++++++------------------
1 file changed, 287 insertions(+), 160 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/57614c517203403e7fe4a34c370c7151ba52c539