update,  ue4 released

- camera from top, some interpolations
- changes to spells, camera, input
- testing SkelControllers
- base for AI, pathfinder doesnt work somehow, error something like
NOSTARTING/ENDING POLY no idea why

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few days ago epicgames released the newest unrealengine 4, might switch
to that after i get a license (not planning it now however)
i also work on LUA/flowgraph side of the cryengine3, from what i heard
UE4 source is not as complex and genius as CE3's