Merge branch 'stable-2.15' into stable-2.16

* stable-2.15:
  Upgrade bazlets to latest stable-2.15 to build with 2.15.10 API

Change-Id: I36bf8432b8466afec478bca51083be65220bce88
diff --git a/WORKSPACE b/WORKSPACE
index e5a70a5..26fac86 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,14 +3,14 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "2b1d68959119920e5fa9bdfb9f0cf926bfef4929",
+    commit = "c15e64db2a87c0453427ff45f79d1ed3899b5d92",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
 # Snapshot Plugin API
 #load(
-#   "@com_googlesource_gerrit_bazlets//:gerrit_api_maven_local.bzl",
-#   "gerrit_api_maven_local",
+#    "@com_googlesource_gerrit_bazlets//:gerrit_api_maven_local.bzl",
+#    "gerrit_api_maven_local",
 #)
 
 # Load snapshot Plugin API
diff --git a/src/main/java/com/googlesource/gerrit/plugins/javamelody/CapabilityChecker.java b/src/main/java/com/googlesource/gerrit/plugins/javamelody/CapabilityChecker.java
index fc7bef2..c8bb48b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/javamelody/CapabilityChecker.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/javamelody/CapabilityChecker.java
@@ -45,7 +45,7 @@
   public boolean canMonitor() {
     try {
       permissionBackend
-          .user(userProvider)
+          .user(userProvider.get())
           .checkAny(
               ImmutableSet.of(
                   GlobalPermission.ADMINISTRATE_SERVER,
diff --git a/src/main/resources/Documentation/about.md b/src/main/resources/Documentation/about.md
index f45afd3..725280d 100644
--- a/src/main/resources/Documentation/about.md
+++ b/src/main/resources/Documentation/about.md
@@ -8,3 +8,8 @@
 or the 'Administrate Server' capability.
 
 It adds top menu item "Monitoring" to access java melody page.
+
+Gerrit's own metrics can be accessed from within Javamelody monitoring page:
+`<gerrit_host_url>/monitoring?part=mbeans`. The pre-requisite for this is
+[JMX metrics plugin](https://gerrit.googlesource.com/plugins/metrics-reporter-jmx)
+that must be also installed.