rietveld does not like code reviews with subjects longer than 100 characters, so trim the line pulled out of the description to avoid the limit.

R=r
http://go/go-review/1016027
diff --git a/lib/codereview/codereview.py b/lib/codereview/codereview.py
index a26ec0e..f1dd67c 100644
--- a/lib/codereview/codereview.py
+++ b/lib/codereview/codereview.py
@@ -145,8 +145,10 @@
 
 	def Subject(self): 
 		s = line1(self.desc)
+		if len(s) > 60:
+			s = s[0:55] + "..."
 		if self.name != "new":
-			s = "codereview %s: %s" % (self.name, s)
+			s = "code review %s: %s" % (self.name, s)
 		return s
 
 	def Upload(self, ui, repo, send_mail=False):