Add dropwizard lib to fix buck standalone mode

Bump gerrit lib to 2.13-SNAPSHOT so this fix/standalone ends up working.

Change-Id: Ifa93527db0d8e1852bc1e92d389603fb0ce759ce

lib/dropwizard/BUCK

diff --git a/lib/dropwizard/BUCK b/lib/dropwizard/BUCK
new file mode 100644
index 0000000..d009eee
--- /dev/null
+++ b/lib/dropwizard/BUCK
@@ -0,0 +1,8 @@
+include_defs('//bucklets/maven_jar.bucklet')
+
+maven_jar(
+  name = 'dropwizard-core',
+  id = 'io.dropwizard.metrics:metrics-core:3.1.2',
+  sha1 = '224f03afd2521c6c94632f566beb1bb5ee32cf07',
+  license = 'Apache2.0',
+)

lib/gerrit/BUCK

diff --git a/lib/gerrit/BUCK b/lib/gerrit/BUCK
index 968cdb1..1d742dc 100644
--- a/lib/gerrit/BUCK
+++ b/lib/gerrit/BUCK
@@ -1,6 +1,6 @@
 include_defs('//bucklets/maven_jar.bucklet')
 
-VER = '2.12-SNAPSHOT'
+VER = '2.13-SNAPSHOT'
 REPO = MAVEN_LOCAL
 
 maven_jar(