Compatibility with JDK11

Author: oliemansm

gradle.properties

@@ -17,7 +17,7 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-version = 5.0.6-SNAPSHOT
+version = 5.0.6
 PROJECT_GROUP = com.graphql-java-kickstart
 PROJECT_NAME = graphql-spring-boot
 PROJECT_DESC = GraphQL Spring Framework Boot
@@ -41,7 +41,7 @@ LIB_JUNIT_VER = 4.12
 LIB_SPRING_CORE_VER = 5.0.4.RELEASE
 LIB_SPRING_BOOT_VER = 2.0.5.RELEASE
 LIB_GRAPHQL_SERVLET_VER = 6.2.0
-LIB_GRAPHQL_JAVA_TOOLS_VER = 5.3.4
+LIB_GRAPHQL_JAVA_TOOLS_VER = 5.3.5
 LIB_COMMONS_IO_VER = 2.6
 
 GRADLE_WRAPPER_VER = 4.7