Merge branch stable-2.10

* stable-2.10:
  Update JGit to latest 4.5.x release
  Resource exhausted because of unclosed LDAP connection

Change-Id: I1e07c7f8e2e4d08e0a06a5bb5dab6873408050c3
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/git/MergeUtil.java b/gerrit-server/src/main/java/com/google/gerrit/server/git/MergeUtil.java
index 84be4a1..7cbf9fa 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/git/MergeUtil.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/git/MergeUtil.java
@@ -474,12 +474,10 @@
       protected ObjectInserter delegate() {
         return delegate;
       }
-
       @Override
       public PackParser newPackParser(InputStream in) throws IOException {
         throw new UnsupportedOperationException();
       }
-
       @Override
       public void flush() throws IOException {
         // Do nothing.
diff --git a/plugins/reviewnotes b/plugins/reviewnotes
index f6403a1..4efc9a1 160000
--- a/plugins/reviewnotes
+++ b/plugins/reviewnotes
@@ -1 +1 @@
-Subproject commit f6403a1ed35e908a4828fdc9168ed752fa178c69
+Subproject commit 4efc9a167fe66dc019f495abe848b2296553b4a0