Surface present, but utter bullshit.

Things tried:
1. changing all kinds of signs
2. inserting all kinds of insertions (surprisingly they pass)
3. exchanging the HashOctree for a known-to-be-working one
The good news is that the hessian works correctly

The bad news is that positional constrains as well as normal constraints
are off. /bangs head against nearest available wall/
Got D1 functioning. coordinates messed things up among other problems
Coordinates fixed in D0 as well