big changes (see below)

remove pending textures; update readme; add temporary techne folder
Reorganized entity files

Added common.entity.render, common.entity.model, and common.entity.base
(the main file for a mob e.g.: common.entity.base.EntityWhale), and
also renamed all the references that were in common.Atlantis and
common.client.ClientProxy (thank you eclipse!).
update clientplayerapi
update readme
add texture for item to be found in overworld
add scepter, atlantis eye, and shrine
must be underwater to teleport to atlantis