add ability to rate a missing day

made bgview equatable so it doesn't get redrawn each time a sheet is shown

add more string to localization

fill in missing data on launch ... incase they have bgfetch turned off

Shared/views/BGView.swift

@@ -32,7 +32,7 @@ struct BGViewItem: View {
     }
 }
 
-struct BGView: View {
+struct BGView: View, Equatable {
     var numAcross: Int
     var numDown: Int
     let iconSize = 35
@@ -61,6 +61,10 @@ struct BGView: View {
         }
         .padding(.top, -50)
     }
+    
+    static func == (lhs: BGView, rhs: BGView) -> Bool {
+       return true
+    }
 }
 
 struct BGView_Previews: PreviewProvider {