Upgrade JGit to 4.4.1.201607150455-r.74-gd6fe52e

This snapshot includes the following improvements related to LFS:

- Include error message in response body
- Pass request and path to getLargeFileRepository
- Return HTTP 422 instead of 400

and the following other changes that are needed in Gerrit:

- RefSpec: allow construction of weird wildcarded RefSpecs
- RefSpec: reject refs ending in '/'
- BatchRefUpdate: Include command message in toString()
- DiffFormatter: Support setting a reader without a repo

Change-Id: I42eb72603c47e05cf39079164653defa96cf37c4

lib/jgit/org.eclipse.jgit.archive/BUCK

@@ -4,7 +4,7 @@ include_defs('//lib/JGIT_VERSION')
 maven_jar(
   name = 'jgit-archive',
   id = 'org.eclipse.jgit:org.eclipse.jgit.archive:' + VERS,
-  sha1 = '3d6a6ef587ffedd06e0f5db19188e3cb762cde0c',
+  sha1 = '0c5707ed307ac097eeea954ca5ab67fc28afdbab',
   license = 'jgit',
   repository = REPO,
   deps = ['//lib/jgit/org.eclipse.jgit:jgit'],

lib/jgit/org.eclipse.jgit.http.server/BUCK

@@ -4,7 +4,7 @@ include_defs('//lib/JGIT_VERSION')
 maven_jar(
   name = 'jgit-servlet',
   id = 'org.eclipse.jgit:org.eclipse.jgit.http.server:' + VERS,
-  sha1 = '1de6e26b2e75aea5a79fd71a485d64039218c96e',
+  sha1 = '09c21189e051f2b321970b7c59f5ef03a37765c3',
   license = 'jgit',
   repository = REPO,
   deps = ['//lib/jgit/org.eclipse.jgit:jgit'],

lib/jgit/org.eclipse.jgit.junit/BUCK

@@ -4,7 +4,7 @@ include_defs('//lib/JGIT_VERSION')
 maven_jar(
   name = 'junit',
   id = 'org.eclipse.jgit:org.eclipse.jgit.junit:' + VERS,
-  sha1 = '21b0c432b963589eec008a758615fcc998f67882',
+  sha1 = '28afcb0bbd14e85a60b452a54fbdb06f7bf5aaf3',
   license = 'DO_NOT_DISTRIBUTE',
   repository = REPO,
   unsign = True,

lib/jgit/org.eclipse.jgit/BUCK

@@ -4,8 +4,8 @@ include_defs('//lib/JGIT_VERSION')
 maven_jar(
   name = 'jgit',
   id = 'org.eclipse.jgit:org.eclipse.jgit:' + VERS,
-  bin_sha1 = '63998ced66e425d9e8bcd0c59f710c98f0c021ff',
-  src_sha1 = '34a4358ede1c8dde5f4a5f10a3c9e6f304f6facc',
+  bin_sha1 = 'f2db4d8caafe4d2dbe6e76e034bb8ed334b56f18',
+  src_sha1 = 'eb6ec337cbfa9c612bfee915b091d3bf6f3f05e8',
   license = 'jgit',
   repository = REPO,
   unsign = True,