Make Fund transactions more informative and complete

Summary: Ref T5835. Show backing amounts in transactions. Account for and show refunds.

Test Plan: {F215869}

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T5835

Differential Revision: https://secure.phabricator.com/D10676

src/applications/fund/controller/FundInitiativeViewController.php

@@ -63,7 +63,8 @@ final class FundInitiativeViewController
     $timeline = id(new PhabricatorApplicationTransactionView())
       ->setUser($viewer)
       ->setObjectPHID($initiative->getPHID())
-      ->setTransactions($xactions);
+      ->setTransactions($xactions)
+      ->setShouldTerminate(true);
 
     return $this->buildApplicationPage(
       array(