update project dates

Author: jmct

www/defns.rkt

@@ -15,8 +15,8 @@
 
 
 (define m1-date "03/12")
-(define m2-date "TBD")
-(define final-date "TBD")
+(define m2-date "04/21")
+(define final-date "05/13")
 (define elms-url "TBD")
 
 (define racket-version "8.3")

www/project.scrbl

@@ -550,4 +550,4 @@ will grade the latest submission that occurs before the deadline.
 You may also design your own project, however, you will need to submit
 a one-page write-up that documents what you plan to do and how you
 will evaluate whether it is successful.  You must submit this document
-and have it approved by the instructor by Dec 7.
+and have it approved by the instructor by April 29th.