Merge changes from topic "jgit-5.1.1"

* changes:
  ProjectResetter: Replace trivial usage of deprecated Repository.getAllRefs
  PatchListEntry: Don't use deprecated Constants.CHARSET from JGit
  Upgrade JGit to 5.1.1.201809181055-r


* submodules:
* Update plugins/reviewnotes from branch 'master'
  to 54525ffaed5e8925d97657a622532a00a0006347
  - CreateReviewNotes: Don't use deprecated Repository.getAllRefs
    
    Change-Id: I867c5003185c9b41c5182b8d05e9db2d9dae2cfa
    
diff --git a/java/com/google/gerrit/acceptance/ProjectResetter.java b/java/com/google/gerrit/acceptance/ProjectResetter.java
index 1fed8f8..76ae4b0 100644
--- a/java/com/google/gerrit/acceptance/ProjectResetter.java
+++ b/java/com/google/gerrit/acceptance/ProjectResetter.java
@@ -214,7 +214,7 @@
     for (Map.Entry<Project.NameKey, Collection<String>> e :
         refsPatternByProject.asMap().entrySet()) {
       try (Repository repo = repoManager.openRepository(e.getKey())) {
-        Collection<Ref> refs = repo.getAllRefs().values();
+        Collection<Ref> refs = repo.getRefDatabase().getRefs();
         for (String refPattern : e.getValue()) {
           RefPatternMatcher matcher = RefPatternMatcher.getMatcher(refPattern);
           for (Ref ref : refs) {
diff --git a/java/com/google/gerrit/server/patch/PatchListEntry.java b/java/com/google/gerrit/server/patch/PatchListEntry.java
index 325f78d..6b1a153 100644
--- a/java/com/google/gerrit/server/patch/PatchListEntry.java
+++ b/java/com/google/gerrit/server/patch/PatchListEntry.java
@@ -26,6 +26,7 @@
 import static com.google.gerrit.server.ioutil.BasicSerialization.writeFixInt64;
 import static com.google.gerrit.server.ioutil.BasicSerialization.writeString;
 import static com.google.gerrit.server.ioutil.BasicSerialization.writeVarInt32;
+import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
@@ -41,7 +42,6 @@
 import java.util.List;
 import java.util.Set;
 import org.eclipse.jgit.diff.Edit;
-import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.patch.CombinedFileHeader;
 import org.eclipse.jgit.patch.FileHeader;
 import org.eclipse.jgit.util.IntList;
@@ -223,7 +223,7 @@
       if (header[e - 1] == '\n') {
         e--;
       }
-      headerLines.add(RawParseUtils.decode(Constants.CHARSET, header, b, e));
+      headerLines.add(RawParseUtils.decode(UTF_8, header, b, e));
     }
     return headerLines;
   }
diff --git a/lib/jgit/jgit.bzl b/lib/jgit/jgit.bzl
index 7191901..816c3a3 100644
--- a/lib/jgit/jgit.bzl
+++ b/lib/jgit/jgit.bzl
@@ -1,6 +1,6 @@
 load("//tools/bzl:maven_jar.bzl", "GERRIT", "MAVEN_CENTRAL", "MAVEN_LOCAL", "maven_jar")
 
-_JGIT_VERS = "5.0.3.201809091024-r"
+_JGIT_VERS = "5.1.1.201809181055-r"
 
 _DOC_VERS = _JGIT_VERS  # Set to _JGIT_VERS unless using a snapshot
 
@@ -40,28 +40,28 @@
         name = "jgit-lib",
         artifact = "org.eclipse.jgit:org.eclipse.jgit:" + _JGIT_VERS,
         repository = _JGIT_REPO,
-        sha1 = "0afec2df3ff8835bc4d5c279d14fad0daae6dd93",
-        src_sha1 = "e2c978064e2a46b260bbda0d8c393ed741046420",
+        sha1 = "64dfe41b3c152bb9b7158b214e28467cb1217153",
+        src_sha1 = "ff6ab018897cf4213b905e156ac5930bad2bdff1",
         unsign = True,
     )
     maven_jar(
         name = "jgit-servlet",
         artifact = "org.eclipse.jgit:org.eclipse.jgit.http.server:" + _JGIT_VERS,
         repository = _JGIT_REPO,
-        sha1 = "8fb0f9b6c38ac6fce60f2ead740e03dd79c3c288",
+        sha1 = "22fd6827fbb6135efd813271185a91f8615538eb",
         unsign = True,
     )
     maven_jar(
         name = "jgit-archive",
         artifact = "org.eclipse.jgit:org.eclipse.jgit.archive:" + _JGIT_VERS,
         repository = _JGIT_REPO,
-        sha1 = "72a157ce261f3eb938d9e0ee83d7c9700aa7d736",
+        sha1 = "bfbbdd6aa1893db14f346913aad3f9898b2fe01d",
     )
     maven_jar(
         name = "jgit-junit",
         artifact = "org.eclipse.jgit:org.eclipse.jgit.junit:" + _JGIT_VERS,
         repository = _JGIT_REPO,
-        sha1 = "eb430358d96dedd923e4075cd54a7db4cab51ca2",
+        sha1 = "6de6de74053d7c28100fe128255d7382a939fe99",
         unsign = True,
     )
 
diff --git a/plugins/reviewnotes b/plugins/reviewnotes
index 920f28b..54525ff 160000
--- a/plugins/reviewnotes
+++ b/plugins/reviewnotes
@@ -1 +1 @@
-Subproject commit 920f28b46021d9c49fac09d869aa4040d13796e7
+Subproject commit 54525ffaed5e8925d97657a622532a00a0006347