[gnome-nibbles] Translate errors and add translators comments

[Iulian Radu <iulianradu src gnome org>]

commit ab3288a5fa634d47f4b01b4eebf73f72bb0605d6
Author: Iulian Radu <iulian radu67 gmail com>
Date:   Mon Jun 29 00:09:09 2015 +0300

    Translate errors and add translators comments

 src/nibbles-view.vala |   18 ++++++++++++------
 1 files changed, 12 insertions(+), 6 deletions(-)
---
diff --git a/src/nibbles-view.vala b/src/nibbles-view.vala
index 30aaab1..f345f21 100644
--- a/src/nibbles-view.vala
+++ b/src/nibbles-view.vala
@@ -67,11 +67,13 @@ public class NibblesView : GtkClutter.Embed
         }
         catch (Clutter.TextureError e)
         {
-            error ("Failed to load textures: %s", e.message);
+            /* Fatal console error when the background texture could not be loaded. */
+            error (_("Nibbles failed to load texture: %s"), filename);
         }
         catch (Error e)
         {
-            error ("Failed to load textures: %s", e.message);
+            /* Fatal console error when the background texture could not be loaded. */
+            error (_("Nibbles failed to load texture: %s"), filename);
         }
 
         worm_actors = new Gee.HashMap<Worm, WormActor> ();
@@ -413,11 +415,13 @@ public class NibblesView : GtkClutter.Embed
         }
         catch (Clutter.TextureError e)
         {
-            error ("Failed to set texture: %s", e.message);
+            /* Fatal console error when the a worm's texture could not be set. */
+            error (_("Nibbles failed to set texture: %s"), filename);
         }
         catch (Error e)
         {
-            error ("Failed to set texture: %s", e.message);
+            /* Fatal console error when the a worm's texture could not be set. */
+            error (_("Nibbles failed to set texture: %s"), filename);
         }
 
         actor.set_size (game.tile_size, game.tile_size);
@@ -471,11 +475,13 @@ public class NibblesView : GtkClutter.Embed
             }
             catch (Clutter.TextureError e)
             {
-                error ("Failed to set texture: %s", e.message);
+                /* Fatal console error when the a worm's texture could not be set. */
+                error (_("Nibbles failed to set texture: %s"), filename);
             }
             catch (Error e)
             {
-                error ("Failed to set texture: %s", e.message);
+                /* Fatal console error when the a worm's texture could not be set. */
+                error (_("Nibbles failed to set texture: %s"), filename);
             }
 
             actor.get_position (out x, out y);