issue #67: run tests.py without installing a python bindings
issue #67: run tests.py without installing a python bindings

ampli/link-grammar,ampli/link-grammar,opencog/link-grammar,ampli/link-grammar,opencog/link-grammar,ampli/link-grammar,linas/link-grammar,ampli/link-grammar,MadBomber/link-grammar,linas/link-grammar,ampli/link-grammar,linas/link-grammar,linas/link-grammar,MadBomber/link-grammar,opencog/link-grammar,MadBomber/link-grammar,MadBomber/link-grammar,opencog/link-grammar,linas/link-grammar,MadBomber/link-grammar,linas/link-grammar,ampli/link-grammar,MadBomber/link-grammar,MadBomber/link-grammar,ampli/link-grammar,MadBomber/link-grammar,linas/link-grammar,opencog/link-grammar,linas/link-grammar,opencog/link-grammar,opencog/link-grammar,opencog/link-grammar,linas/link-grammar,ampli/link-grammar,opencog/link-grammar