Updates dotfiles: f12b795 Updates xsession: e3bb0da Fix: use HOSTNAME and FQDN variables

diff --git a/dotfiles b/dotfiles
index 0db4d6c6e8c2b1bfb80c66db1ff697295cf5ff2e..f12b7957aa817d0b584e376fa49d6296436342a4 160000 (submodule)
--- a/dotfiles
+++ b/dotfiles
@@ -1 +1 @@
-Subproject commit 0db4d6c6e8c2b1bfb80c66db1ff697295cf5ff2e
+Subproject commit f12b7957aa817d0b584e376fa49d6296436342a4