DATAREST-868 - Fixed Jackson core dependency in Solr tests.

Author: odrotbohm

spring-data-rest-tests/spring-data-rest-tests-solr/pom.xml

@@ -31,7 +31,7 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-core</artifactId>
-			<version>2.6.5</version>
+			<version>${jackson}</version>
 		</dependency>
 
 		<dependency>