Added example with Spring Integration ZeroMQ lib for Spring framework

examples/Java/PureJava/build.gradle

@@ -16,8 +16,8 @@ repositories {
     mavenCentral()
 }
 
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
+sourceCompatibility = 11
+targetCompatibility = 11
 
 dependencies {
     compile group: 'org.zeromq', name: 'jeromq', version: '0.4.0'