Changes:

K_nearest class
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* update to function vectorSum to sum also the last pixel H also.
* new function that calculate the closest butterfly based on the the avg of H (from the HSV)

VectorsClient class
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* update to the function selectVectors to match the changes in the vectors table, (index change, and getInt replaced with getFloat).

Manager class
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* update to the detector function, the function getting all the relevant data for the new picture (RGB,HSV,Vsum,Vavg), send Vavg to the new function that get us the closest butterfly according to the Havg sum, and return the butterfly.