Bug 642978: make seamonkeyproject.org site build work with Template Toolkit >= 2.21

etc/ttree.cfg

@@ -48,6 +48,17 @@ accept = \.html$
 accept = \.jst$
 accept = \.json$
 accept = \.tmpl$
+# Everything in "copy" must also be in "accept"
+accept = \.png$
+accept = \.ico$
+accept = \.gif$
+accept = \.jpg$
+accept = \.js$
+accept = \.css$
+accept = \.htaccess$
+accept = \.txt$
+accept = \.rdf$
+accept = \.sh$
 
 # options to rewrite files suffixes (htm => html, tt2 => html)
 #