Prepare for release: downgrade to Security 5.1.0

Author: artembilan

build.gradle

@@ -136,7 +136,7 @@ subprojects { subproject ->
 		springDataMongoVersion = '2.1.1.RELEASE'
 		springDataRedisVersion = '2.1.1.RELEASE'
 		springGemfireVersion = '2.1.1.RELEASE'
-		springSecurityVersion = '5.1.1.BUILD-SNAPSHOT'
+		springSecurityVersion = '5.1.0.RELEASE'
 		springRetryVersion = '1.2.2.RELEASE'
 		springVersion = project.hasProperty('springVersion') ? project.springVersion : '5.1.1.RELEASE'
 		springWsVersion = '3.0.3.RELEASE'