Upgrade webx version to fix dubbo-admin incompatible problem when running with jdk1.8

dubbo-admin/pom.xml

@@ -170,6 +170,10 @@
             <groupId>javax.cache</groupId>
             <artifactId>cache-api</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.apache.velocity</groupId>
+            <artifactId>velocity</artifactId>
+        </dependency>
     </dependencies>
     <build>
         <plugins>

pom.xml

@@ -111,6 +111,7 @@
         <guice_version>3.0</guice_version>
         <cglib_version>2.2</cglib_version>
         <webx_version>3.0.8</webx_version>
+        <velocity_version>3.1.6</velocity_version>
         <!-- Log libs -->
         <slf4j_version>1.7.25</slf4j_version>
         <jcl_version>1.2</jcl_version>
@@ -300,6 +301,11 @@
                 <artifactId>citrus-webx-all</artifactId>
                 <version>${webx_version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.apache.velocity</groupId>
+                <artifactId>velocity</artifactId>
+                <version>${velocity_version}</version>
+            </dependency>
             <!-- Log libs -->
             <dependency>
                 <groupId>org.slf4j</groupId>