Merge pull request #1303 from playframework/update/2.2.x/patches

[2.2.x] Patch updates

Author: mkurz

project/Dependencies.scala

@@ -28,7 +28,7 @@ object Dependencies {
 
   val playJson = Seq("com.typesafe.play" %% "play-json" % "2.10.8")
 
-  val slf4jApi = Seq("org.slf4j" % "slf4j-api" % "2.0.17")
+  val slf4jApi = Seq("org.slf4j" % "slf4j-api" % "2.0.18")
 
   val javaxInject = Seq("javax.inject" % "javax.inject" % "1")