Rename RegisterFreezeEvent -> FreezeRegistryEvent

Author: aromaa

…event/lifecycle/RegisterFreezeEvent.java …event/lifecycle/FreezeRegistryEvent.javasrc/main/java/org/spongepowered/api/event/lifecycle/RegisterFreezeEvent.java renamed to src/main/java/org/spongepowered/api/event/lifecycle/FreezeRegistryEvent.java src/main/java/org/spongepowered/api/event/lifecycle/RegisterFreezeEvent.java renamed to src/main/java/org/spongepowered/api/event/lifecycle/FreezeRegistryEvent.java

@@ -33,7 +33,7 @@
 
 import java.util.function.Consumer;
 
-public interface RegisterFreezeEvent extends LifecycleEvent {
+public interface FreezeRegistryEvent extends LifecycleEvent {
 
     /**
      * Fired after a layer has established its registries
@@ -43,7 +43,7 @@ public interface RegisterFreezeEvent extends LifecycleEvent {
      * When a registry is being reloaded, this event is fired
      * again for the relevant registries.</p>
      */
-    interface Post extends RegisterFreezeEvent {
+    interface Post extends FreezeRegistryEvent {
 
         /**
          * Gets the built {@link RegistryHolder registry holder}.