Merge pull request #1184 from microsoft/littleaj/upgrade_struts2

use latest version of struts2 to build optional component

Author: littleaj

web/build.gradle

@@ -35,12 +35,12 @@ dependencies {
     compile ([group: 'org.apache.commons', name: 'commons-lang3', version: '3.7'])
     compile ([group: 'org.apache.httpcomponents', name: 'httpclient', version: '4.5.3'])
     compile ([group: 'org.apache.httpcomponents', name: 'httpasyncclient', version: '4.1.3'])
-    compileOnly 'com.opensymphony:xwork:2.0.4' // Struts 2
+    compileOnly 'org.apache.struts.xwork:xwork-core:2.3.37' // Struts 2
     compileOnly 'org.springframework:spring-webmvc:3.1.0.RELEASE'
     compileOnly group: 'javax.servlet', name: 'javax.servlet-api', version: '3.0.1'
     compileOnly group: 'javax.enterprise', name: 'cdi-api', version: '1.1' // Java EE
     testCompile (project(':agent')) { transitive = false }
-    testCompile 'com.opensymphony:xwork:2.0.4' // Struts 2
+    testCompile 'org.apache.struts.xwork:xwork-core:2.3.37'
     testCompile 'org.springframework:spring-webmvc:3.1.0.RELEASE'
     testCompile group: 'javax.servlet', name: 'javax.servlet-api', version: '3.0.1'
     testCompile group: 'javax.enterprise', name: 'cdi-api', version: '1.1' // Java EE