[APPDB] config.php.sample: Add 1.6 as stable branch

[André Hentschel]

---
 include/config.php.sample | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/config.php.sample b/include/config.php.sample
index 813379e..303f278 100644
--- a/include/config.php.sample
+++ b/include/config.php.sample
@@ -35,7 +35,7 @@ define("TESTDATA_AGED_THRESHOLD", 175);
 
 // Show versions from these branches even if they are not among the most recent ones
 // Separate by commas if there are more than one
-define("STABLE_BRANCHES", "1.0.,1.2.,1.4.");
+define("STABLE_BRANCHES", "1.0.,1.2.,1.4.,1.6.");
 
 /*
  * apps database info
-- 
1.8.1.2