Some contest pages translations

config/locales/en.yml

@@ -38,17 +38,26 @@ en:
       title: "Edit contest settings"
     index:
       title: "Welcome %{username}!"
+      manage_contests: "Manage my contests"
+      new_contest: "Create a new contest"
     new:
       title: "New jigsaw puzzle competition"
     scoreboard:
       title: "%{name}"
     show:
       title: "%{name}"
+      add_participant: "Add contestant"
+      contestants: "Contestants"
   contestants:
     edit:
       title: "Contestant"
     new:
       title: "New contestant"
+  nav:
+    users: "Users"
+    home: "Home"
+    settings: "Settings"
+    log_out: "Log out"
   puzzles:
     edit:
       title: "Edit contest puzzle"