Upgrade to Caffeine 2.7

spring-context-support/spring-context-support.gradle

@@ -9,7 +9,7 @@ dependencies {
 	optional("javax.activation:javax.activation-api:1.2.0")
 	optional("javax.mail:javax.mail-api:1.6.2")
 	optional("javax.cache:cache-api:1.1.0")
-	optional("com.github.ben-manes.caffeine:caffeine:2.6.2")
+	optional("com.github.ben-manes.caffeine:caffeine:2.7.0")
 	optional("net.sf.ehcache:ehcache:2.10.4")
 	optional("org.quartz-scheduler:quartz:2.3.0")
 	optional("org.codehaus.fabric3.api:commonj:1.1.0")