1) simplified equals and hashcode or completely removed it from class 2) removed circular reference in Column class by using List of ColumnPositions to store neighborColumn information
Removed hashcode and equals from Column class.
1) Removed unused GSON Text files 2) Changed coloring scheme of Synapse
Permanence Viewer to match the drawing of MARK I at www.walnutiq.com
Uncommented code for computing active columns
fixed merge conflict