Update ui to 0.7.1-2 in order to include whitespace fix

diff --git a/ui b/ui
index 9bbab85..22f284a 160000 (submodule)
--- a/ui
+++ b/ui
@@ -1 +1 @@
-Subproject commit 9bbab85d2ad541874a262d71eb1ac921e4bc228b
+Subproject commit 22f284a2998676a4bee40915cd3954fa1c28a27b