Implement CSV import and conversion to contestants

config/locales/en.yml

@@ -28,6 +28,14 @@
 #       enabled: "ON"
 
 en:
+  activemodel:
+    errors:
+      models:
+        forms/csv_conversion_form:
+          attributes:
+            name_column:
+              blank: "Participant names are required"
+              greater_than: "Participant names are required"
   activerecord:
     attributes:
       contest:
@@ -78,11 +86,18 @@ en:
       add_puzzle: "Add puzzle"
       public_scoreboard: "Public scoreboard: "
   contestants:
+    convert_csv:
+      title: "Import participants"
     edit:
       title: "Participant"
       team_title: "Teams"
+    finalize_import:
+      title: "Import participants"
     import:
-      title: "Import participants from a CSV file"
+      email_column: "Participant email"
+      import_column: "Import?"
+      name_column: "Participant name"
+      title: "Import participants"
     new:
       title: "New participant"
       team_title: "New team"
@@ -94,9 +109,11 @@ en:
   helpers:
     buttons:
       add: "Add"
+      confirm: "Confirm"
       create: "Create"
       import: "CSV Import"
       save: "Save"
+    field: "Field"
   messages:
     convert:
       title: "Convert message into completion"