Corda-1155 - Jolokia logging via slf4j (#2753)

* Jolokia logging through slf4j

* review remarks

node/src/main/kotlin/net/corda/node/JolokiaSlf4Adapter.kt

@@ -0,0 +1,40 @@
+package net.corda.node
+
+import org.jolokia.util.LogHandler
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+
+/**
+ * This also exists in webserver, because depends on jolokia
+ **/
+class JolokiaSlf4Adapter : LogHandler {
+    companion object {
+        val log: Logger = LoggerFactory.getLogger("org.jolokia")
+    }
+
+    override fun error(message: String?, t: Throwable?) {
+        if (message != null) {
+            if (t != null) {
+                log.error(message, t)
+            } else {
+                log.error(message)
+            }
+        } else if (t != null) {
+            log.error("Exception without a comment", t)
+        }
+    }
+
+    override fun debug(message: String?) {
+        if (message != null) {
+            log.debug(message)
+        }
+    }
+
+    override fun info(message: String?) {
+        if (message != null) {
+            log.info(message)
+        }
+    }
+
+
+}