[Forge] Update mappings to 11/30.

worldedit-forge/build.gradle

@@ -26,11 +26,11 @@ repositories {
     }
 }
 
-ext.forgeVersion = "13.19.0.2149"
+ext.forgeVersion = "13.19.0.2177"
 
 minecraft {
     version = "1.11-${project.forgeVersion}"
-    mappings = "snapshot_20161118"
+    mappings = "snapshot_20161130"
     runDir = 'run'
 
     replaceIn "com/sk89q/worldedit/forge/ForgeWorldEdit.java"

worldedit-forge/src/main/java/com/sk89q/worldedit/forge/ForgePlatform.java

@@ -93,7 +93,7 @@ class ForgePlatform extends AbstractPlatform implements MultiUserPlatform {
 
     @Override
     public boolean isValidMobType(String type) {
-        return EntityList.isStringValidEntityName(new ResourceLocation(type));
+        return EntityList.isRegistered(new ResourceLocation(type));
     }
 
     @Override