Ported over ui updates from Linux Game Manager.

.includes/update.sh

@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 # Check for latest news
 check_news() {
     # For use by update scripts that want to source functions in this file.
@@ -45,7 +47,7 @@ fi
     # Get the important information: commit messages and summary
     local changesSummary
     changesSummary=$({
-        echo "=== UPDATE COMPLETED ==="
+        echo "UPDATE COMPLETED"
         echo
         echo "Recent changes:"
         git log '@{1}..' --pretty=format:'• %an: %s' | tac