Add methods to step Python mind agents
Updated attention example with PLN, importance diffusion and updating.
Update example
Merge pull request #26 from cosmoharrigan/attention

Updated attention example with PLN, importance diffusion and importance updating.
Update point-in-time representation and store attentional focus timeseries in MongoDB for analysis
Move configuration to separate file
Merge pull request #27 from cosmoharrigan/attention

Store attentional focus timeseries in MongoDB for analysis
Add DOT requests to interface with Graphviz rendering example
Update slideshow example
Merge pull request #28 from cosmoharrigan/attention

Add DOT requests to interface with Graphviz for attentional focus slideshow rendering example
Changed source file name in accordance to name change
Renamed socrates example
Updated socrates example