Add comments in Rule::get_*_conclusion_*
Add comments in Rule::get_*_conclusion_*

ArvinPan/atomspace,yantrabuddhi/atomspace,misgeatgit/atomspace,yantrabuddhi/atomspace,ArvinPan/atomspace,misgeatgit/atomspace,inflector/atomspace,yantrabuddhi/atomspace,inflector/atomspace,inflector/atomspace,misgeatgit/atomspace,inflector/atomspace,AmeBel/atomspace,ArvinPan/atomspace,inflector/atomspace,misgeatgit/atomspace,rTreutlein/atomspace,rTreutlein/atomspace,rTreutlein/atomspace,ArvinPan/atomspace,yantrabuddhi/atomspace,AmeBel/atomspace,AmeBel/atomspace,rTreutlein/atomspace,AmeBel/atomspace,AmeBel/atomspace,rTreutlein/atomspace,misgeatgit/atomspace,yantrabuddhi/atomspace