Added IslandInfoCommand

#361
* Added IslandInfoCommand : "/is info" or "/is who". This is basically a copy/paste from AdminInfoCommand, and it uses the same methods.
* Updated en-US locale accordingly

src/main/java/world/bentobox/bentobox/api/commands/island/IslandInfoCommand.java

@@ -0,0 +1,56 @@
+package world.bentobox.bentobox.api.commands.island;
+
+import world.bentobox.bentobox.api.commands.CompositeCommand;
+import world.bentobox.bentobox.api.localization.TextVariables;
+import world.bentobox.bentobox.api.user.User;
+
+import java.util.List;
+import java.util.UUID;
+
+/**
+ * @author Poslovitch
+ */
+public class IslandInfoCommand extends CompositeCommand {
+
+    public IslandInfoCommand(CompositeCommand parent) {
+        super(parent, "info", "who");
+    }
+
+    @Override
+    public void setup() {
+        setPermission("island.info");
+        setOnlyPlayer(false);
+        setParametersHelp("commands.island.info.parameters");
+        setDescription("commands.island.info.description");
+    }
+
+    @Override
+    public boolean execute(User user, String label, List<String> args) {
+        if (args.size() > 1 || (args.isEmpty() && !user.isPlayer())) {
+            // Show help
+            showHelp(this, user);
+            return false;
+        }
+        // If there are no args, then the player wants info on the island at this location
+        if (args.isEmpty()) {
+            if (!getIslands().getIslandAt(user.getLocation()).map(i -> i.showInfo(getPlugin(), user, getWorld())).orElse(false)) {
+                user.sendMessage("commands.admin.info.no-island");
+                return false;
+            }
+            return true;
+        }
+        // Get target player
+        UUID targetUUID = getPlayers().getUUID(args.get(0));
+        if (targetUUID == null) {
+            user.sendMessage("general.errors.unknown-player", TextVariables.NAME, args.get(0));
+            return false;
+        }
+        if (!getIslands().hasIsland(getWorld(), targetUUID)) {
+            user.sendMessage("general.errors.player-has-no-island");
+            return false;
+        }
+        // Show info for this player
+        getIslands().getIsland(getWorld(), targetUUID).showInfo(getPlugin(), user, getWorld());
+        return true;
+    }
+}

src/main/resources/locales/en-US.yml

@@ -245,7 +245,8 @@ commands:
       creating-island: "&aCreating your island..."
       pick-world: "&cPick a world from [worlds]."
     info:
-      description: "display info about your island"
+      description: "display info about your island or the player's island"
+      parameters: "<player>"
     reset:
       description: "restart your island and remove the old one"
       must-remove-members: "&cYou must remove all members from your island before you can restart it (/island team kick <player>)."