Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Remove unnecessary 'unsign' parameter to maven_jar

Adjust WORKSPACE to use the latest stable-3.1 revision
of bazlets.

Change-Id: I90a994d9b1dce0857cd7dbf9fb5d1741d4ed144c
diff --git a/WORKSPACE b/WORKSPACE
index 8de4e94..0a0d42d 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "b6cb89690a5e06261932eb30c95fd8db34a7943a",
+    commit = "56aafc4c0bb1b72fba34f5bdfb29ddb1e1a17801",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 794ea56..1fe2073 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 = "aaf5367ff2cba4174b4165ed0a64dc92cac75871",
         repository = REPO,
-        unsign = True,
         exclude = [
             "about.html",
             "plugin.properties",
@@ -21,7 +20,6 @@
         artifact = "org.eclipse.jgit:org.eclipse.jgit.lfs:" + JGIT_VERSION,
         sha1 = "c37af6b2d28df21942e935753922333c8612cef2",
         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 = "7df786dfb9843a01e46cbf48ef921c5aac087ca1",
         repository = REPO,
-        unsign = True,
         exclude = [
             "about.html",
             "plugin.properties",