Merge branch 'stable-6.3'

* stable-6.3:
  [benchmarks] Remove profiler configuration
  Add SHA1 benchmark
  [benchmarks] Set version of maven-compiler-plugin to 3.8.1
  Fix running JMH benchmarks
  Add option to allow using JDK's SHA1 implementation
  Fix API breakage caused by extracting WorkTreeUpdater
  Extract Exception -> HTTP status code mapping for reuse
  Don't handle internal git errors as an HTTP error
  Ignore IllegalStateException if JVM is already shutting down
  Allow to perform PackedBatchRefUpdate without locking loose refs

Change-Id: Ib58879be292c54a2a7f4936ac0986997985c822b

diff --cc org.eclipse.jgit.benchmarks/pom.xml
Simple merge

diff --cc org.eclipse.jgit/.settings/.api_filters
index 6992fa9148d8156e4a25d3834cf2c51692eeb75c,1683f33d0c19017ad93350dc71f4e5f1cbec4535..0000000000000000000000000000000000000000
deleted file mode 100644,100644
--- 1/org.eclipse.jgit/.settings/.api_filters
--- 2/org.eclipse.jgit/.settings/.api_filters
+++ /dev/null
@@@ -1,11 -1,28 +1,0 @@@
--<?xml version="1.0" encoding="UTF-8" standalone="no"?>
--<component id="org.eclipse.jgit" version="2">
-     <resource path="src/org/eclipse/jgit/transport/Transport.java" type="org.eclipse.jgit.transport.Transport">
-         <filter id="336658481">
 -    <resource path="src/org/eclipse/jgit/transport/AwsRequestSignerV4.java" type="org.eclipse.jgit.transport.AwsRequestSignerV4">
 -        <filter id="1108344834">
--            <message_arguments>
-                 <message_argument value="org.eclipse.jgit.transport.Transport"/>
-                 <message_argument value="DEFAULT_PUSH_USE_BITMAPS"/>
 -                <message_argument value="5.13"/>
 -                <message_argument value="6.3"/>
 -                <message_argument value="org.eclipse.jgit.transport.AwsRequestSignerV4"/>
 -            </message_arguments>
 -        </filter>
 -    </resource>
 -    <resource path="src/org/eclipse/jgit/util/HttpSupport.java" type="org.eclipse.jgit.util.HttpSupport">
 -        <filter id="1141899266">
 -            <message_arguments>
 -                <message_argument value="5.13"/>
 -                <message_argument value="6.3"/>
 -                <message_argument value="urlEncode(String, boolean)"/>
 -            </message_arguments>
 -        </filter>
 -    </resource>
 -    <resource path="src/org/eclipse/jgit/util/Paths.java" type="org.eclipse.jgit.util.Paths">
 -        <filter id="337768515">
 -            <message_arguments>
 -                <message_argument value="org.eclipse.jgit.util.Paths"/>
--            </message_arguments>
--        </filter>
--    </resource>
--</component>