Update GWT to 2.7.0

To match the version used in Gerrit.

Change-Id: Iec009eedcf095f9028132c1a837e616580e98892
diff --git a/lib/gwt/BUCK b/lib/gwt/BUCK
index 4135b4c..b8d9491 100644
--- a/lib/gwt/BUCK
+++ b/lib/gwt/BUCK
@@ -1,11 +1,11 @@
 include_defs('//bucklets/maven_jar.bucklet')
 
-VERSION = '2.6.1'
+VERSION = '2.7.0'
 
 maven_jar(
   name = 'user',
   id = 'com.google.gwt:gwt-user:' + VERSION,
-  sha1 = 'c078b1b8cc0281214b0eb458d2c283d039374fad',
+  sha1 = 'bdc7af42581745d3d79c2efe0b514f432b998a5b',
   license = 'Apache2.0',
   attach_source = False,
 )
@@ -13,7 +13,7 @@
 maven_jar(
   name = 'dev',
   id = 'com.google.gwt:gwt-dev:' + VERSION,
-  sha1 = 'db237e4be0aa1fe43425d2c51ab5485dba211ddd',
+  sha1 = 'c2c3dd5baf648a0bb199047a818be5e560f48982',
   license = 'Apache2.0',
   deps = [
     ':javax-validation',
diff --git a/lib/ow2/BUCK b/lib/ow2/BUCK
new file mode 100644
index 0000000..5721753
--- /dev/null
+++ b/lib/ow2/BUCK
@@ -0,0 +1,31 @@
+include_defs('//bucklets/maven_jar.bucklet')
+
+VERSION = '5.0.3'
+
+maven_jar(
+  name = 'ow2-asm',
+  id = 'org.ow2.asm:asm:' + VERSION,
+  sha1 = 'dcc2193db20e19e1feca8b1240dbbc4e190824fa',
+  license = 'ow2',
+)
+
+maven_jar(
+  name = 'ow2-asm-analysis',
+  id = 'org.ow2.asm:asm-analysis:' + VERSION,
+  sha1 = 'c7126aded0e8e13fed5f913559a0dd7b770a10f3',
+  license = 'ow2',
+)
+
+maven_jar(
+  name = 'ow2-asm-tree',
+  id = 'org.ow2.asm:asm-tree:' + VERSION,
+  sha1 = '287749b48ba7162fb67c93a026d690b29f410bed',
+  license = 'ow2',
+)
+
+maven_jar(
+  name = 'ow2-asm-util',
+  id = 'org.ow2.asm:asm-util:' + VERSION,
+  sha1 = '1512e5571325854b05fb1efce1db75fcced54389',
+  license = 'ow2',
+)
diff --git a/pom.xml b/pom.xml
index d7ebc5b..a322717 100644
--- a/pom.xml
+++ b/pom.xml
@@ -70,7 +70,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>gwt-maven-plugin</artifactId>
-        <version>2.6.1</version>
+        <version>2.7.0</version>
         <configuration>
           <module>com.googlesource.gerrit.plugins.xdocs.XDocs</module>
           <disableClassMetadata>true</disableClassMetadata>
@@ -122,7 +122,7 @@
     <dependency>
       <groupId>com.google.gwt</groupId>
       <artifactId>gwt-user</artifactId>
-      <version>2.6.1</version>
+      <version>2.7.0</version>
       <scope>provided</scope>
     </dependency>