Upgrade to Spock 1.0

Closes gh-2951

Author: wilkinsona

spring-boot-dependencies/pom.xml

@@ -118,7 +118,7 @@
 		<slf4j.version>1.7.12</slf4j.version>
 		<snakeyaml.version>1.14</snakeyaml.version>
 		<solr.version>4.10.1</solr.version>
-		<spock.version>0.7-groovy-2.0</spock.version>
+		<spock.version>1.0-groovy-2.4</spock.version>
 		<spring.version>4.2.0.BUILD-SNAPSHOT</spring.version>
 		<spring-amqp.version>1.5.0.M1</spring-amqp.version>
 		<spring-cloud-connectors.version>1.1.1.RELEASE</spring-cloud-connectors.version>