Fixed paths
Modified comment
Modified comments

Comments now reflect the changed name of these files
Got rid of beamer navigation bars
Added a line, adjusted wording
Word deletion
Deleted line
Deleted extra white space
Cut out material on 5th century painting
Added slide, deleted sentence
Deleted final paragraph
Deleted a couple of sentences
Specified the colors of elements as primary
Deleted sentence
Added fussy reference to Galen
Deleted redundant point
Fixed wording of sentence
Reluctantly commented out para on partiality
Deleted unnecessary claim
Deleted line break, extra white space