Ported the subscription example

Author: bbakerman

subscription-example/.gitignore

@@ -0,0 +1,23 @@
+.gradle
+/build/
+!gradle/wrapper/gradle-wrapper.jar
+ ### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+ ### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+/out/
+ ### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/

subscription-example/build.gradle

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+buildscript {
+    ext {
+        springBootVersion = '2.0.5.RELEASE'
+    }
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
+    }
+}
+
+apply plugin: 'java'
+apply plugin: 'eclipse'
+apply plugin: 'org.springframework.boot'
+apply plugin: 'io.spring.dependency-management'
+
+group = 'com.graphql-java'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = 1.8
+
+repositories {
+    mavenCentral()
+    maven { url "http://dl.bintray.com/andimarek/graphql-java" }
+}
+
+
+dependencies {
+    compile('org.springframework.boot:spring-boot-starter-web')
+    compile('org.springframework.boot:spring-boot-starter-websocket')
+
+    compile "com.graphql-java:graphql-java:10.0"
+    compile "io.reactivex.rxjava2:rxjava:2.1.5"
+    compile "com.google.code.gson:gson:2.8.0"
+
+    testCompile('org.springframework.boot:spring-boot-starter-test')
+}

subscription-example/gradle/wrapper/gradle-wrapper.jar

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+#Sat Sep 15 15:12:07 AEST 2018
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-all.zip