Updated socrates attention agent
Added 13 Allen relations, comments
Added temporal composition rule
Refined TemporalCompositionRule, look-up
Added composition table for look-up, MindAgent and example
Added __init__ file
Fixed comment
Corrected temporal composition rule
Merge pull request #892 from sebastianruder/temporal

PLN rules to deal with Allen Interval Algebra composition
Update PLN/attention smokes example
Merge pull request #903 from cosmoharrigan/ecan

Update PLN/attention smokes example
Small changes to example, added commented loop
Added proper stvs to r2l scm file, added aa file with atvs
Created scm files with initial avs for nodes and links

For experimentation purposes
Small changes