Merge branch 'stable'

* stable:
  Update 2.1.8 release notes
  Allow serving static files in subdirectories
  Normalize OpenID URLs with http:// prefix
  Ignore PartialResultException from LDAP.
  Fix MySQL counter resets
  Substantially speed up pushing changes for review
  Avoid costly findMergedInto during push to refs/for/*
  Add cache for tag advertisements

Conflicts:
	gerrit-server/src/main/java/com/google/gerrit/server/git/MergeOp.java
	gerrit-server/src/main/java/com/google/gerrit/server/git/ReceiveCommits.java
	pom.xml

Change-Id: Ife316e255a8045bd28ca399d55e70eb8a075c48f

gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/Upload.java

@@ -15,6 +15,7 @@
 package com.google.gerrit.sshd.commands;
 
 import com.google.gerrit.reviewdb.ReviewDb;
+import com.google.gerrit.server.git.TagCache;
 import com.google.gerrit.server.git.TransferConfig;
 import com.google.gerrit.server.git.VisibleRefFilter;
 import com.google.gerrit.sshd.AbstractGitCommand;
@@ -33,6 +34,9 @@ final class Upload extends AbstractGitCommand {
   @Inject
   private TransferConfig config;
 
+  @Inject
+  private TagCache tagCache;
+
   @Override
   protected void runImpl() throws IOException, Failure {
     if (!projectControl.canRunUploadPack()) {
@@ -41,7 +45,8 @@ final class Upload extends AbstractGitCommand {
 
     final UploadPack up = new UploadPack(repo);
     if (!projectControl.allRefsAreVisible()) {
-      up.setRefFilter(new VisibleRefFilter(repo, projectControl, db.get(), true));
+      up.setRefFilter(new VisibleRefFilter(tagCache, repo, projectControl,
+          db.get(), true));
     }
     up.setPackConfig(config.getPackConfig());
     up.setTimeout(config.getTimeout());