[niepce] Add translator comments to the .desktop file

[Piotr Drąg <piotrdrag src gnome org>]

commit 91dcc24f137288fad7ef53c6b6a53ba6e9597a27
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Nov 13 00:10:57 2016 +0100

    Add translator comments to the .desktop file

 data/niepce.desktop.in |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/data/niepce.desktop.in b/data/niepce.desktop.in
index 0379a03..181d501 100644
--- a/data/niepce.desktop.in
+++ b/data/niepce.desktop.in
@@ -1,9 +1,10 @@
-
 [Desktop Entry]
 Name=Niepce Digital
 Comment=Manage and edit your photos.
+# Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list 
MUST also end with a semicolon!
 Keywords=photo;
 Exec=niepce %u
+# Translators: Do NOT translate or transliterate this text (this is an icon file name)!
 Icon=niepce
 StartupNotify=true
 Terminal=false