[epiphany] Update TODO

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 4326cc208ce35a0cef11706e82878fbb8a299c8f
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Thu Mar 31 09:09:47 2016 -0500

    Update TODO

 TODO |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/TODO b/TODO
index 0fa7ff0..35f8267 100644
--- a/TODO
+++ b/TODO
@@ -1,6 +1,9 @@
 Some TODO items, in no particular order:
 
 - Use g_signal_emit instead of g_signal_emit_by_name
+- Use GDK_EVENT_PROPAGATE/GDK_EVENT_STOP.
+- Use G_SOURCE_CONTINUE/G_SOURCE_REMOVE.
+- Name all timeout and idle sources
 - Replace constructor functions with constructed functions
 - Use g_clear_object in dispose/finalize
 - Get rid of object references in dispose, not finalize