added very simple example of how 2d arrays work in Java
switched x & y variables to correct row & column variables
refactoring x & y into row and column
more refactoring on important classes
more refactoring
rewriting better version of OldImageViewer
simplified eye movement model
refactored seenAreaOfImage()
finished initial implementation of Retina model
simplified image viewer test
retina seems to be working
holy shit the test worked
soo close returned int[][] is not the correct size
fing finished issue#85
Merge branch 'feature-fix_issue_85' into develop