Merge branch 'caption-centered' into 'develop'

Updating Captions (centered, and adding background color)

See merge request !8

src/data/caption.json

@@ -54,7 +54,7 @@
       {
         "co": {
           "X": 1,
-          "Y": 0
+          "Y": 0.55
         },
         "handle_type": 0,
         "interpolation": 0
@@ -191,7 +191,7 @@
       {
         "co": {
           "X": 1,
-          "Y": 0.20
+          "Y": 0.15
         },
         "handle_type": 0,
         "interpolation": 0
@@ -204,7 +204,7 @@
       {
         "co": {
           "X": 1,
-          "Y": 0.1
+          "Y": 0.15
         },
         "handle_type": 0,
         "interpolation": 0