-'CL_connex': latest unsupe multi-layer code
-'cl-ol': online learner code to adapt demo and nets
-'clnet-person': code and demo for unsup net trained to recognize people
-'clnet-siftflow': code and demo for unsup net trained on siftflow - DOES NOT WORK, replaced by a verion from Artem in Nov 2013
-'Paper-xxxxx': paper data and experiments and scripts
-'sad': SAD tracker code
-'topokmens': topographic kmeans filters generation: works well with >=256 filters in 1st layer!
-'videoknet': volumetric network tests