Added mapColumn function
Updated mapPotential to support N-dimensional topology (but it's too slow right now)
Renamed variables
Optimized getNeighborsND
Simplified code
Update test
Ensure inputDimensions and columnDimensions have at least 1 dimension
Cleaned up avgConnectedSpanForColumnND
Better error messages for assertions
Merge branch 'master' into issue-837
Initial work on One Hot Gym Anomaly Sample.

Work for #643.
Added highlights on weekends and anomalies in chart.
nupic output cleanup and maximize charts.
Adding anomaly likelihood algorithm.
Merge branch 'anomaly-likelihood' into anomaly-gym
Updating to use the anomaly likelihood module in nupic.
nupic output name change.
Better x axis scaling
experiment script remote energy usage for tuesdays in october
Code review style suggestions.