Merge branch 'stable-2.15' into stable-2.16

* stable-2.15:
  Upgrade bazlets to latest stable-2.15 to build with 2.15.19 API
  Upgrade bazlets to latest stable-2.14 to build with 2.14.21 API

Change-Id: I59f9843dfeeb9ebc6233f2ed41288bc67d4b7459
diff --git a/.bazelversion b/.bazelversion
index 9084fa2..fd2a018 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-1.1.0
+3.1.0
diff --git a/WORKSPACE b/WORKSPACE
index a334417..7b7ab98 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "9af263722b7eafe99af079d6ef7cf1de23e6f8d7",
+    commit = "fff6f20bb2eceaf872a8acf8ad51471c25a82d38",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
diff --git a/src/main/resources/Documentation/build.md b/src/main/resources/Documentation/build.md
index 9bb02c2..fd60c88 100644
--- a/src/main/resources/Documentation/build.md
+++ b/src/main/resources/Documentation/build.md
@@ -11,7 +11,7 @@
 Then issue
 
 ```
-  bazel build plugins/changemessage
+  bazel build plugins/@PLUGIN@
 ```
 
 in the root of Gerrit's source tree to build
@@ -19,7 +19,7 @@
 The output is created in
 
 ```
-  bazel-bin/plugins/changemessage/changemessage.jar
+  bazel-bin/plugins/@PLUGIN@/@PLUGIN@.jar
 ```
 
 This project can be imported into the Eclipse IDE.
@@ -50,3 +50,7 @@
 ```
 ./tools/eclipse/project.sh
 ```
+
+[Back to @PLUGIN@ documentation index][index]
+
+[index]: index.html
diff --git a/tools/BUILD b/tools/BUILD
new file mode 100644
index 0000000..1fa2160
--- /dev/null
+++ b/tools/BUILD
@@ -0,0 +1 @@
+# Empty file - bazel treat directories with BUILD file as a package
\ No newline at end of file