AvdP - Swapped Y and Z for block create / destroy

Still not perfect though.
Merge branch 'GameplayFeatures' of https://github.com/opencog/OpenCog-Unity3D-Game into AlexConnectionFixing
AvdP - Now sends new blocks to OpenCog

Bunch of weird .meta files in this one :(
otw - Deleted some (hopefully?) unnecessary level folders.
Merge branch 'AlexConnectionFixing' of https://github.com/opencog/OpenCog-Unity3D-Game into GameplayFeatures
AvdP - Apply energy effect works

Just cut / paste the code from OCConnector.ParseActionPlanElement (the
'eat' section) to make it increase energy on the physiological model.
otw - Minor changes.
Merge branch 'AlexConnectionFixing' of https://github.com/opencog/OpenCog-Unity3D-Game into GameplayFeatures
otw - Battery should provide juice at when the block is destroyed