broker/Topic: class added

broker/Topic: String Topics replaced by Topic class
broker/Topic#parseTopic: access set to private
broker/SubscriptionsStoreTest: topic tests moved to own class
broker/TopicTest: containsExactly used
broker/TopicTest: TopicAssert class added
broker/TopicTest$TopicAssert#containsToken: method added
broker/TopicTest$TopicAssert#matches: method added

broker/src/main/java/io/moquette/spi/IMatchingCondition.java

@@ -16,9 +16,11 @@
 
 package io.moquette.spi;
 
+import io.moquette.spi.impl.subscriptions.Topic;
+
 /**
  */
 public interface IMatchingCondition {
 
-    boolean match(String key);
+    boolean match(Topic key);
 }