rietveld does not like code reviews with subjects longer than 100 characters,...

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

lib/codereview/codereview.py

@@ -145,8 +145,10 @@ class CL(object):
 
 	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):