Fix a major backchaining bug
Filter out some semantically meaningless rule applications
Merge github.com:opencog/opencog
Merge github.com:opencog/opencog
fix more minor Rule bugs
Merge pull request #389 from jadeoneill/master

PLN doesn't get errors and the chainers seem to work
unlock before issuing signal
unlock when sending the remove signal too.
Merge pull request #390 from linas/master

signals should be delivered with locks unlocked.
Refactor so backchaining can handle all the special cases (maybe)
grab lock during destruction
Merge pull request #391 from linas/master

grab lock during destruction
Test backward chainer
PLN Rule names are less ambiguous
Merge pull request #392 from jadeoneill/master

Fix backward chainer
Add AtomSpacePublisherModule network AtomSpace event publisher using ZeroMQ and JSON for add, remove, tvchanged, avchanged events - preliminary version
Working on TruthValue, incoming and outgoing set
Add temporary .conf file for testing