core: clarify output for boxadd error message

lib/vagrant/action/builtin/box_add.rb

@@ -76,11 +76,13 @@ module Vagrant
             if !provider
               raise Errors::BoxAddNoMatchingVersion,
                 constraints: version || ">= 0",
+                name: metadata.name,
                 url: url,
                 versions: metadata.versions.join(", ")
             else
               # TODO: show supported providers
               raise Errors::BoxAddNoMatchingProvider,
+                name: metadata.name,
                 requested: provider,
                 url: url
             end

plugins/commands/box/command/add.rb

@@ -36,7 +36,7 @@ module VagrantPlugins
               options[:provider] = p
             end
 
-            o.on("--version VALUE", String, "Constrain version of the added box") do |v|
+            o.on("--box-version VALUE", String, "Constrain version of the added box") do |v|
               options[:version] = v
             end
 

templates/locales/en.yml

@@ -221,14 +221,16 @@ en:
         provider. Double-check your requested provider to verify you didn't
         simply misspell it.
 
-        Box: %{url}
+        Name: %{name}
+        Address: %{url}
         Requested provider: %{requested}
       box_add_no_matching_version: |-
         The box you're attempting to add has no available version that
         matches the constraints you requested. Please double-check your
         settings.
 
-        Box: %{url}
+        Box: %{name}
+        Address: %{url}
         Constraints: %{constraints}
         Available versions: %{versions}
       boot_bad_state: |-