Updates dotfiles: b18b9b2 Updates openbox: d1266dc Change poweroff key binding

diff --git a/dotfiles b/dotfiles
index 9cf505b838d6388879bc647d1ce7a5835463f9cc..b18b9b291f3737c1d4a6f38a2dcc0eebcf9b8565 160000 (submodule)
--- a/dotfiles
+++ b/dotfiles
@@ -1 +1 @@
-Subproject commit 9cf505b838d6388879bc647d1ce7a5835463f9cc
+Subproject commit b18b9b291f3737c1d4a6f38a2dcc0eebcf9b8565