initial version of starting atoms for deception demo
update to reference to path
skeleton for the deception agent
separated spatial atoms from behavioral atoms
fix for #1057
remove null list
modified to assoc-set
Merge pull request #1060 from williampma/SuRealSmallFix

SuReal: small fix for #1057
 some more categorization of atoms
 initial description of the 3d world
added documentation
Merge pull request #1062 from AmeBel/deception

preliminary description of the deception problem for PLN
Minor comment correction