started making lab_avl tests

git-svn-id: https://subversion.cs.illinois.edu/svn/cs225@7269 6fbd10e7-183d-0410-a318-cb416676e4f2

source/quotes.txt

@@ -62,3 +62,6 @@
 "I've seen many balls. Actually, let's do an example without balls." ~ Jack Toole
 "Find your points of interest, compute HOG features, bung them into a classifier, and see what you get." ~ D.A. Forsyth
 "You *could* call it an ape, and that an ape, but that would just be phylogenic pettifogging." ~ D.A. Forsyth
+"@return A voidean value indicating whether the test was successful." ~ lab_avl
+"Don't beg. Earn it. Then it will be granted to you." ~ Adroc Thurston
+"Rejoice!" ~ Kotomine Kirie