Small fixes to context system

common/src/main/java/me/lucko/luckperms/commands/CommandManager.java

@@ -177,8 +177,7 @@ public class CommandManager {
     }
 
     private void sendCommandUsage(Sender sender, String label) {
-        sender.sendMessage(Util.color("&6Running &bLuckPerms v" + plugin.getVersion() + "&6."));
-
+        Util.sendPluginMessage(sender, "&6Running &bLuckPerms v" + plugin.getVersion() + "&6.");
         mainCommands.stream()
                 .filter(c -> c.isAuthorized(sender))
                 .forEach(c -> Util.sendPluginMessage(sender, "&e-> &d" + String.format(c.getUsage(), label)));

common/src/main/java/me/lucko/luckperms/contexts/ServerCalculator.java

@@ -39,6 +39,6 @@ public class ServerCalculator<T> extends ContextCalculator<T> {
 
     @Override
     public boolean isContextApplicable(T subject, Map.Entry<String, String> context) {
-        return context.getKey().equals("server") && server.equals(context.getValue());
+        return context.getKey().equals("server") && server.equalsIgnoreCase(context.getValue());
     }
 }