Updates hydra: a628ce8 Deploy: check for etc/hostname when running against a folder

diff --git a/hydra b/hydra
index 2d988f6b6841460aa34657d1cde64c80954822d5..a628ce8d831edf9181e8f71b88426e968cfb90cf 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 2d988f6b6841460aa34657d1cde64c80954822d5
+Subproject commit a628ce8d831edf9181e8f71b88426e968cfb90cf