Added the reversePolish method - allows a complex tree to be flattened into a simple list of instructions - can be interpreted using a simple stack-based automatum, and a particular FeatureFilter can optimize the implementation of filters it knows about.
Added the reversePolish method - allows a complex tree to be flattened
into a simple list of instructions - can be interpreted using a simple
stack-based automatum, and a particular FeatureFilter can optimize the
implementation of filters it knows about.


git-svn-id: ed25c26de1c5325e8eb0deed0b990ab8af8a4def@1147 7c6358e6-4a41-0410-a743-a5b2a554c398

sbliven/biojava,sbliven/biojava,sbliven/biojava