Updates dotfiles: e4b6966 Updates xsession: fe8cfac Comment fix

diff --git a/dotfiles b/dotfiles
index 57a61a0966b14977fb7a8805256b38ea6def6995..e4b6966b8ca345a2496411d29512b1dbdad1896e 160000 (submodule)
--- a/dotfiles
+++ b/dotfiles
@@ -1 +1 @@
-Subproject commit 57a61a0966b14977fb7a8805256b38ea6def6995
+Subproject commit e4b6966b8ca345a2496411d29512b1dbdad1896e