Fix TODO

src/main/scala/app/IndexController.scala

@@ -88,8 +88,6 @@ trait IndexControllerBase extends ControllerBase {
 
   /**
    * JSON API for collaborator completion.
-   *
-   * TODO Move to other controller?
    */
   get("/_user/proposals")(usersOnly {
     contentType = formats("json")
@@ -98,5 +96,11 @@ trait IndexControllerBase extends ControllerBase {
     )
   })
 
+  /**
+   * JSON APU for checking user existence.
+   */
+  post("/_user/existence")(usersOnly {
+    getAccountByUserName(params("userName")).isDefined
+  })
 
 }

src/main/scala/app/UserManagementController.scala

@@ -182,11 +182,6 @@ trait UserManagementControllerBase extends AccountManagementControllerBase {
     }
   })
 
-  // TODO Move to other generic controller?
-  post("/admin/users/_usercheck"){
-    getAccountByUserName(params("userName")).isDefined
-  }
-
   private def members: Constraint = new Constraint(){
     override def validate(name: String, value: String, messages: Messages): Option[String] = {
       if(value.split(",").exists {