Bump to version 0.2

After build tool migration, release new version built with Bazel.

Change-Id: Ida7e363da02f72c108e170504fe833bdc9807350

version.bzl

diff --git a/version.bzl b/version.bzl
index f4510ea..22e6db7 100644
--- a/version.bzl
+++ b/version.bzl
@@ -4,4 +4,4 @@
 # we currently have no stable releases, we use the "build number" scheme
 # described at:
 # http://mojo.codehaus.org/versions-maven-plugin/version-rules.html
-GITILES_VERSION = '0.1-11'
+GITILES_VERSION = '0.2'