Implement Bazel build

To run the tests:

  bazel test //...

To build the Gerrit plugin API, run:

  bazel build gerrit-plugin-api:plugin-api_deploy.jar

To build the Gerrit extension API, run:

  bazel build gerrit-extension-api:extension-api_deploy.jar

TODOs:

Licenses
Reduce visibility (all public for now)
Generate HTML Documentation
Core plugins
gerrit_plugin() rule to build plugins in tree and standalone modes
GWT UI (only gwt_module() skylark rule is provided, no gwt_binary())
PolyGerrit UI
WAR
Publish artifacts to Maven Central
Ask Bazel team to add Gerrit to their CI on ci.bazel.io

Contributed-By: Han-Wen Nienhuys <hanwen@google.com>
Change-Id: I9a86e670882a44a5c966579cdeb8ed79b1590de3
diff --git a/gerrit-acceptance-tests/tests.bzl b/gerrit-acceptance-tests/tests.bzl
new file mode 100644
index 0000000..ff2562d
--- /dev/null
+++ b/gerrit-acceptance-tests/tests.bzl
@@ -0,0 +1,28 @@
+load('//tools/bzl:junit.bzl', 'junit_tests')
+
+BOUNCYCASTLE = [
+  '//lib/bouncycastle:bcpkix-without-neverlink',
+  '//lib/bouncycastle:bcpg-without-neverlink',
+]
+
+def acceptance_tests(
+    group,
+    srcs,
+    flaky = 0,
+    deps = [],
+    labels = [],
+    source_under_test = [], #unused
+    vm_args = ['-Xmx256m']):
+  junit_tests(
+    name = group,
+    srcs = srcs,
+    flaky = flaky,
+    deps = deps + BOUNCYCASTLE + [
+      '//gerrit-acceptance-tests:lib',
+    ],
+    tags = labels + [
+      'acceptance',
+      'slow',
+    ],
+    jvm_flags = vm_args,
+  )