rules2rnn: fix object classes
rules2rnn: fix object classes

Use object class names from renouveau, support multiple object classes
and hardcode UTOMEM as an object.

grate-driver/envytools,MoochMcGee/envytools,grate-driver/envytools,envytools/envytools,pierremoreau/envytools,hakzsam/envytools,pierremoreau/envytools,kfractal/envytools,MoochMcGee/envytools,karolherbst/envytools,MoochMcGee/envytools,karolherbst/envytools,kfractal/envytools,hakzsam/envytools,hakzsam/envytools,MoochMcGee/envytools,envytools/envytools,karolherbst/envytools,karolherbst/envytools,envytools/envytools,pierremoreau/envytools,grate-driver/envytools,grate-driver/envytools,pierremoreau/envytools,MoochMcGee/envytools,hakzsam/envytools,karolherbst/envytools,kfractal/envytools,envytools/envytools,hakzsam/envytools,kfractal/envytools,pierremoreau/envytools,envytools/envytools,grate-driver/envytools,kfractal/envytools