added support for okhttp-gson library

Author: HugoMario

modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/pom.mustache

@@ -185,6 +185,27 @@
                 </plugins>
             </build>
         </profile>
+        {{#java11}}
+        <profile>
+            <id>jdk11</id>
+            <activation>
+                <jdk>[11,)</jdk>
+            </activation>
+            <dependencies>
+                <dependency>
+                    <groupId>com.sun.xml.ws</groupId>
+                    <artifactId>jaxws-rt</artifactId>
+                    <version>2.3.3</version>
+                    <type>pom</type>
+                </dependency>
+                <dependency>
+                    <groupId>com.sun.xml.ws</groupId>
+                    <artifactId>rt</artifactId>
+                    <version>2.3.3</version>
+                </dependency>
+            </dependencies>
+        </profile>
+        {{/java11}}
     </profiles>
 
     <dependencies>
@@ -283,7 +304,7 @@
         </dependency>
     </dependencies>
     <properties>
-        <java.version>{{#java8}}1.8{{/java8}}{{^java8}}1.7{{/java8}}</java.version>
+        <java.version>{{#java11}}11{{/java11}}{{^java11}}{{#java8}}1.8{{/java8}}{{^java8}}1.7{{/java8}}{{/java11}}</java.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <gson-fire-version>1.8.3</gson-fire-version>