Start to implement WikiController.

Changed controllers from servlet to filter by mapping flexibility.

src/main/scala/app/WikiController.scala

@@ -0,0 +1,14 @@
+package app
+
+import util.{WikiUtil, JGitUtil}
+
+class WikiController extends ControllerBase {
+
+  get("/:owner/:repository/wiki"){
+    val owner      = params("owner")
+    val repository = params("repository")
+    
+    html.wiki(WikiUtil.getPage(owner, repository, "Home"), JGitUtil.getRepositoryInfo(owner, repository, servletContext))
+  }
+  
+}