Move link to imagery faq, reword as "Imagery Info / Report a Problem"

(closes #4546)

data/core.yaml

@@ -380,7 +380,7 @@ en:
     custom_button: Edit custom background
     custom_prompt: "Enter a tile URL template. Valid tokens are:\n   - {zoom}/{z}, {x}, {y} for Z/X/Y tile scheme\n   - {ty} for flipped TMS-style Y coordinates\n   - {u} for quadtile scheme\n   - {switch:a,b,c} for DNS server multiplexing\n\nExample:\n{example}"
     overlays: Overlays
-    imagery_source_faq: Where does this imagery come from?
+    imagery_source_faq: Imagery Info / Report a Problem
     reset: reset
     display_options: Display Options
     brightness: Brightness