[perl-Gtk3] dist.ini: document 'is_trial', sets 'testing' in metadata

[Brian Manning <bmanning src gnome org>]

commit 2813f40d870026f77890bf772abe86535163feb1
Author: Brian Manning <bmanning src gnome org>
Date:   Sat Oct 12 21:27:25 2013 -0700

    dist.ini: document 'is_trial', sets 'testing' in metadata

 dist.ini |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/dist.ini b/dist.ini
index ec72f4f..970fc44 100644
--- a/dist.ini
+++ b/dist.ini
@@ -4,6 +4,10 @@ author  = Torsten Schoenfeld <kaffeetisch gmx de>
 license = LGPL_2_1
 copyright_holder = Torsten Schoenfeld
 copyright_year = 2013
+; 'is_trial' comes from Zilla.pm; use this flag to change between 'stable' and
+; 'testing'. DZil 4.300034 supports only 'stable' and 'testing', not
+; 'unstable'; there's a note in Zilla.pm about this fact
+;is_trial = 1
 
 [GatherDir]
 [PruneCruft]