Fix versions in simple sample

spring-boot-samples/spring-boot-sample-simple/build.gradle

 buildscript {
 	ext {
-		springBootVersion = '1.2.0.BUILD-SNAPSHOT'
+		springBootVersion = '1.1.6.BUILD-SNAPSHOT'
 	}
 	repositories {
 		// NOTE: You should declare only repositories that you need here

spring-boot-samples/spring-boot-sample-simple/pom.xml

@@ -5,7 +5,7 @@
 		<!-- Your own application should inherit from spring-boot-starter-parent -->
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-samples</artifactId>
-		<version>1.2.0.BUILD-SNAPSHOT</version>
+		<version>1.1.6.BUILD-SNAPSHOT</version>
 	</parent>
 	<artifactId>spring-boot-sample-simple</artifactId>
 	<name>Spring Boot Simple Sample</name>