Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Prepare for new gerrit_api snapshot version usage
  Upgrade bazlets to latest stable-3.0
  Upgrade bazlets to latest stable-3.0

Change-Id: I5124a2a5659497f50260633d0081d16e49535688

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 457f04b..eb40354 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -7,24 +7,17 @@
     #local_path = "/home/<user>/projects/bazlets",
 )
 
-# Release Plugin API
 load(
     "@com_googlesource_gerrit_bazlets//:gerrit_api.bzl",
     "gerrit_api",
 )
 
-# Snapshot Plugin API
-#load(
-#    "@com_googlesource_gerrit_bazlets//:gerrit_api_maven_local.bzl",
-#    "gerrit_api_maven_local",
-#)
-
 # Load release Plugin API
 gerrit_api()
 
+# Load snapshot Plugin API
+#gerrit_api(version = "3.0.xy-SNAPSHOT")
+
 load("//:external_plugin_deps.bzl", "external_plugin_deps")
 
 external_plugin_deps()
-
-# Load snapshot Plugin API
-#gerrit_api_maven_local()