IntensionalInheritance evaluation will work
Merge github.com:opencog/opencog
PLN doing 3 step inferences with variables
Fix the example that came with the SUMO test.
Merge github.com:opencog/opencog
MemberToInheritance and MemberToEvaluation
Merge pull request #542 from jadeoneill/master

PLN rules and testing
Merge pull request #543 from cosmoharrigan/AttentionAllocation

Some updates to AttentionAllocation
Add signals for entering or exiting the AttentionalFocus