add joda support to spring-boot and use it in sample

modules/swagger-codegen/src/main/resources/JavaSpringBoot/generatedAnnotation.mustache

@@ -1 +1 @@
-@javax.annotation.Generated(value = "{{generatorClass}}", date = "{{generatedDate}}")
+{{^hideGenerationTimestamp}}@javax.annotation.Generated(value = "{{generatorClass}}", date = "{{generatedDate}}"){{/hideGenerationTimestamp}}

modules/swagger-codegen/src/main/resources/JavaSpringBoot/pom.mustache

@@ -50,5 +50,14 @@
 			<artifactId>springfox-swagger-ui</artifactId>
 			<version>${springfox-version}</version>
 		</dependency>
+
+		<dependency>
+			<groupId>com.fasterxml.jackson.datatype</groupId>
+			<artifactId>jackson-datatype-joda</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>joda-time</groupId>
+			<artifactId>joda-time</artifactId>
+		</dependency>
 	</dependencies>
 </project>

modules/swagger-codegen/src/main/resources/JavaSpringBoot/swaggerDocumentationConfig.mustache

@@ -34,6 +34,8 @@ public class SwaggerDocumentationConfig {
 				.select()
 					.apis(RequestHandlerSelectors.basePackage("{{apiPackage}}"))
 					.build()
+				.directModelSubstitute(org.joda.time.LocalDate.class, java.sql.Date.class)
+				.directModelSubstitute(org.joda.time.DateTime.class, java.util.Date.class)
 				.apiInfo(apiInfo());
     }