Merge branch 'master' of https://github.com/everit-org/json-schema

Author: Bence Erős

README.md

@@ -46,7 +46,7 @@ Add the JitPack repository and the dependency to your `pom.xml` as follows:
 <dependency>
     <groupId>com.github.everit-org.json-schema</groupId>
     <artifactId>org.everit.json.schema</artifactId>
-    <version>1.12.3</version>
+    <version>1.13.0</version>
 </dependency>
 ...
 <repositories>

core/pom.xml

@@ -140,7 +140,7 @@
                         <dependency>
                             <groupId>com.github.everit-org.json-schema</groupId>
                             <artifactId>org.everit.json.schema</artifactId>
-                            <version>1.12.3</version>
+                            <version>1.13.0</version>
                             <type>jar</type>
                         </dependency>
                     </oldVersion>

core/src/main/java/org/everit/json/schema/loader/SpecificationVersion.java

@@ -48,7 +48,9 @@ public enum SpecificationVersion {
         @Override List<String> metaSchemaUrls() {
             return Arrays.asList(
                 "http://json-schema.org/draft-04/schema",
-                "https://json-schema.org/draft-04/schema"
+                "https://json-schema.org/draft-04/schema",
+                "http://json-schema.org/schema",
+                "https://json-schema.org/schema"
             );
         }