fix punctuation in quotes

git-svn-id: https://subversion.cs.illinois.edu/svn/cs225@8354 6fbd10e7-183d-0410-a318-cb416676e4f2

source/quotes.txt

@@ -22,8 +22,8 @@
 "I just don't trust easily, and for good reasons... which are my own." ~ Carth Onasi
 "You think the sky is like a big big plate." ~ Prof. Jiawei Han
 "You look at their elbows, they actually have many good theoretical elbows." ~ Prof. Jiawei Han
-"If you don't hand in the next homework, you might miss some points" ~ Prof. Jiawei Han
-"I would build pyramids, if I were Pharoah" ~ Kyle Johnson
+"If you don't hand in the next homework, you might miss some points." ~ Prof. Jiawei Han
+"I would build pyramids, if I were Pharoah." ~ Kyle Johnson
 "Most software today is very much like an Egyptian pyramid with millions of bricks piled on top of each other, with no structural integrity, but just done by brute force and thousands of slaves." ~ Alan Kay
 "Microsoft has a new version out, Windows XP, which according to everybody is the 'most reliable Windows ever.' To me, this is like saying that asparagus is 'the most articulate vegetable ever.'" ~ Dave Barry
 "The most amazing achievement of the computer software industry is its continuing cancellation of the steady and staggering gains made by the computer hardware industry." ~ Henry Petroski
@@ -37,7 +37,7 @@
 "Should array indices start at 0 or 1? My compromise of 0.5 was rejected without, I thought, proper consideration." ~ Stan Kelly-Bootle
 "I think Microsoft named .NET so it wouldn't show up in a Unix directory listing." ~ Oktal
 "C++ : Where friends have access to your private members." ~ Gavin Russell Baker
-"Java is, in many ways, C++–." ~ Michael Feldman
+"Java is, in many ways, C++-." ~ Michael Feldman
 "If debugging is the process of removing bugs, then programming must be the process of putting them in." ~ Edsger W. Dijkstra
 "A computer lets you make more mistakes faster than any invention in human history–with the possible exceptions of handguns and tequila." ~ Mitch Radcliffe
 "A computer will do what you tell it to do, but that may be much different from what you had in mind" ~ Joseph Weizenbaum