Replace getServletPath() with getPathInfo()

Since Ie8d9a9ac1 getServletPath() returns empty string.
Use getPathInfo() instead.

Change-Id: I6853c0c61be9cafe66452ddd62f1801c754b4c86
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityStaticServlet.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityStaticServlet.java
index c48fe9a..11921d5 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityStaticServlet.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityStaticServlet.java
@@ -103,7 +103,7 @@
   }
 
   private Resource local(final HttpServletRequest req) {
-    final String name = req.getServletPath();
+    final String name = req.getPathInfo();
     if (name.length() < 2 || !name.startsWith("/") || isUnreasonableName(name)) {
       // Too short to be a valid file name, or doesn't start with
       // the path info separator like we expected.
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityViewServlet.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityViewServlet.java
index 4ba74a5..de76a7a 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityViewServlet.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/velocity/VelocityViewServlet.java
@@ -71,7 +71,7 @@
     HttpServletRequest req = (HttpServletRequest) request;
     HttpServletResponse resp = (HttpServletResponse) response;
 
-    String servletPath = req.getServletPath();
+    String servletPath = req.getPathInfo();
     NextPage nextPage = (NextPage) req.getAttribute("destUrl");
     String destUrl = null;
     if (nextPage != null && !nextPage.uri.startsWith("/")) {
diff --git a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/VelocityControllerServlet.java b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/VelocityControllerServlet.java
index 2680e77..1e311b3 100644
--- a/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/VelocityControllerServlet.java
+++ b/github-plugin/src/main/java/com/googlesource/gerrit/plugins/github/wizard/VelocityControllerServlet.java
@@ -93,7 +93,7 @@
   private String getControllerClassName(HttpServletRequest req) {
     String reqServletName;
     StringBuilder controllerName = new StringBuilder();
-    reqServletName = req.getServletPath();
+    reqServletName = req.getPathInfo();
     reqServletName = trimFromChar(reqServletName, '/');
     reqServletName = trimUpToChar(reqServletName, '.');
     String[] controllerNameParts = reqServletName.split("-");