Merge branch 'stable-3.1'

* stable-3.1:
  Remove unnecessary 'unsign' parameter to maven_jar

Adjust WORKSPACE to use the latest master revision of bazlets.

Change-Id: I0e674b66cb8c27a1f517b029d807925b21046cf8
diff --git a/WORKSPACE b/WORKSPACE
index 9aa156a..2b1a5b4 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "eb6506b018b174db297c24ec78e86802f1102559",
+    commit = "4a27255dff75eadc98b86391806be13e030e6ff3",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index eddac3f..e814f4b 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -9,7 +9,6 @@
         artifact = "org.eclipse.jgit:org.eclipse.jgit.http.apache:" + JGIT_VERSION,
         sha1 = "e8d4803362d7a523f7e716b30ff2b77868ce91f6",
         repository = REPO,
-        unsign = True,
         exclude = [
             "about.html",
             "plugin.properties",
@@ -21,7 +20,6 @@
         artifact = "org.eclipse.jgit:org.eclipse.jgit.lfs:" + JGIT_VERSION,
         sha1 = "5d57e3c8e047335abe2406e392c9711646905b06",
         repository = REPO,
-        unsign = True,
         exclude = [
             "about.html",
             "plugin.properties",
@@ -33,7 +31,6 @@
         artifact = "org.eclipse.jgit:org.eclipse.jgit.lfs.server:" + JGIT_VERSION,
         sha1 = "45d5b77931ab0fc39de9d08c1c3d3e7e9f1c5d2c",
         repository = REPO,
-        unsign = True,
         exclude = [
             "about.html",
             "plugin.properties",