Upgrade to EhCache 3.1.1 and OkHttp 3.4.1

Author: jhoeller

build.gradle

@@ -36,7 +36,7 @@ configure(allprojects) { project ->
 	ext.eclipselinkVersion   = "2.4.2"
 	ext.ehcacheVersion       = "2.10.2"
 	ext.ehcachejcacheVersion = "1.0.1"
-	ext.ehcache3Version      = "3.1.0"
+	ext.ehcache3Version      = "3.1.1"
 	ext.ejbVersion           = "3.0"
 	ext.fileuploadVersion    = "1.3.2"
 	ext.freemarkerVersion    = "2.3.23"
@@ -63,7 +63,7 @@ configure(allprojects) { project ->
 	ext.log4jVersion         = "1.2.17"
 	ext.nettyVersion         = "4.1.3.Final"
 	ext.okhttpVersion        = "2.7.5"
-	ext.okhttp3Version       = "3.3.1"
+	ext.okhttp3Version       = "3.4.1"
 	ext.openjpaVersion       = "2.4.1"
 	ext.poiVersion           = "3.14"
 	ext.reactorVersion       = "2.0.8.RELEASE"