Figure_2 Polish

[kmaynard12]

• [x] Fix color bars so not blurry

  

• [x] Fix hashmark overlap with numbers

• [x] Enlarge font size 3 times bigger

• [x] Make k=28 cluster registration plot (try a larger area, maybe 14 x 14?)

[kmaynard12]

• [x] Increase font on color scale bar and just have -1, 0, 1

[abspangler13]

Still need to figure out what the x-axis labels are not in a straight line when the values become double digits.