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.
Add mising file backtrace-symbols.{h,c}
Fix for issue #394

We really shouldn't be generating the AV-changed signal here.
Merge pull request #541 from linas/deadlock

Fix for issue #394
Merge github.com:opencog/opencog
MemberToInheritance and MemberToEvaluation
Add log for ImportanceSpreadingAgent with activity details.
Add bindings to the C++ methods countToConfidence and confidenceToCount in SimpleTruthValue. Remove the duplicate Python implementation.
Merge pull request #542 from jadeoneill/master

PLN rules and testing
Add log for ImportanceDiffusionAgent
Add Scheme functions to get and set the AttentionalFocus Boundary: cog-get-af-boundary, cog-set-af-boundary
Fix the printing of connection matrices and STI vectors for logging.
Rename Scheme functions cog-af-boundary and cog-set-af-boundary with bang
Merge pull request #543 from cosmoharrigan/AttentionAllocation

Some updates to AttentionAllocation