…ta-analysis into 51-entropy

relates to #51 and #52. Data reocords with no AOI value are treated as though they belong to an AOI ("Undefined Area") in the entropy calcs. No Aoi is renamed to "Undefined Area" because now it is an AOI in a sense

blinks were 0 because filtering was being applied so i reworked analysis class. There was a lot of redundant final constants so I put them in one class so it would be easier to manage. I applied the screen size once and then made an overloaded filterbyvalidity method to support filtering with a screen size