Merge branch 'stable-2.15' into stable-2.16

* stable-2.15:
  Upgrade bazlets to latest stable-2.15
  Upgrade bazlets to latest stable-2.14

Change-Id: Id1b464fd8f0aaf849fcd5b484690f8c286959621
diff --git a/.bazelversion b/.bazelversion
index 9084fa2..227cea2 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-1.1.0
+2.0.0
diff --git a/WORKSPACE b/WORKSPACE
index 663727a..117d6d8 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "f53f51fb660552d0581aa0ba52c3836ed63d56a3",
+    commit = "59529f046a5cb855d9fe3ee87110d53305ec69b9",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
diff --git a/src/main/java/com/ericsson/gerrit/plugins/goimport/GoImportFilter.java b/src/main/java/com/ericsson/gerrit/plugins/goimport/GoImportFilter.java
index 2a370d4..ea8a4dc 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/goimport/GoImportFilter.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/goimport/GoImportFilter.java
@@ -22,7 +22,7 @@
 import com.google.gerrit.server.config.CanonicalWebUrl;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.project.ProjectState;
-import com.google.gwtexpui.server.CacheHeaders;
+import com.google.gerrit.util.http.CacheHeaders;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import java.io.IOException;