[shotwell] Add translator comments to .desktop files

[Piotr Drąg <piotrdrag src gnome org>]

commit 72fad07b7a540a5fa51f0d73bd1ecd081d17886e
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Jul 2 00:59:28 2016 +0200

    Add translator comments to .desktop files

 misc/shotwell-viewer.desktop.in.in |    1 +
 misc/shotwell.desktop.in.in        |    2 ++
 2 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/misc/shotwell-viewer.desktop.in.in b/misc/shotwell-viewer.desktop.in.in
index 994bc18..b5e41f3 100644
--- a/misc/shotwell-viewer.desktop.in.in
+++ b/misc/shotwell-viewer.desktop.in.in
@@ -3,6 +3,7 @@ Version=1.0
 Name=Shotwell Viewer
 GenericName=Photo Viewer
 Exec=shotwell %f
+# Translators: Do NOT translate or transliterate this text (this is an icon file name)!
 Icon=shotwell
 Terminal=false
 NoDisplay=true
diff --git a/misc/shotwell.desktop.in.in b/misc/shotwell.desktop.in.in
index 09ca9ed..aa1ede2 100644
--- a/misc/shotwell.desktop.in.in
+++ b/misc/shotwell.desktop.in.in
@@ -3,8 +3,10 @@ Version=1.0
 Name=Shotwell
 GenericName=Photo Manager
 Comment=Organize 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=album;camera;cameras;crop;edit;enhance;export;gallery;image;images;import;organize;photo;photographs;photos;picture;pictures;photography;print;publish;rotate;share;tags;video;facebook;flickr;picasa;youtube;piwigo;
 Exec=shotwell %U
+# Translators: Do NOT translate or transliterate this text (this is an icon file name)!
 Icon=shotwell
 Terminal=false
 Type=Application