Fixed a bunch of stuff

HUD, other classes, got the OCLogger working, etc, etc, etc. Now stuck
because all Unity objects in the hierarchy are missing a bunch of
scripts..
otw - Fixing up the broken links.  Still have the block set assests to go.
otw - Fixing block set 1 manually
otw - Playing the whack a mole game with block sets.
otw - More whacks to go...
Fixed some XML stuff in the Atlases / Blocks

See short description.
otw - Fixed a few minor issues with OCBlockSet.
otw - Fixing prefabs.
otw - More prefabs missing links.
Hacked around the empty blockset

By reimporting it...
otw - Fixed the blockset assests again.
Merge branch 'HUDFixing' of https://github.com/opencog/OpenCog-Unity3D-Game into HUDFixing
otw - Reloaded a bunch of assets.
AvdP Merge conflicts...
otw - mostly just basic testing.
otw - Fixed the lack of player collision bug.
AvdP - Added console, used new inputcontroller

Figured I'd push frequently.
AvdP - Renamed OCConnector, new script drag issue

Lake will fix this :P
otw - Fixed a bunch of namespace issues.