reformat gallery photo files

gallery/2014-london-iceland-trip/c217f20-greenwich-park.md

@@ -1,12 +1,18 @@
 ---
+date: '2014-03-08 15:40:06'
+exif:
+  aperture: f/2.4
+  exposure: 1/1063
+  make: Apple
+  model: 'iPhone 5'
 layout: gallery-photo
-title: "Greenwich Park"
-date: "2014-03-08 15:40:06"
-ordering: 6
-exif: { make: "Apple", model: "iPhone 5", aperture: "f/2.4", exposure: "1/1063" }
-previous: "/gallery/2014-london-iceland-trip/033bb54-royal-observatory"
-next: "/gallery/2014-london-iceland-trip/c16a7b6-thames-cable-car"
-location: { latitude: 51.475229287647, longitude: 0.003020004527 }
+location:
+  latitude: 51.475229287647
+  longitude: 0.003020004527
+next: /gallery/2014-london-iceland-trip/c16a7b6-thames-cable-car
+ordering: 5
+previous: /gallery/2014-london-iceland-trip/033bb54-royal-observatory
+title: 'Greenwich Park'
 ---
 
 A look out from the Royal Observatory over Greenwich Park before we headed back.