Enable Feed stories for Fund

Summary: Not sure when these stopped, also fixed mailtag contants.

Test Plan: Close an initiative, see story, fund initiative, see story.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17835

src/applications/fund/storage/FundInitiativeTransaction.php

@@ -26,15 +26,21 @@ final class FundInitiativeTransaction
     return 'FundInitiativeTransactionType';
   }
 
+  protected function shouldPublishFeedStory(
+    PhabricatorLiskDAO $object,
+    array $xactions) {
+    return true;
+  }
+
   public function getMailTags() {
     $tags = parent::getMailTags();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_STATUS:
+      case FundInitiativeStatusTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_STATUS;
         break;
-      case self::TYPE_BACKER:
-      case self::TYPE_REFUND:
+      case FundInitiativeBackerTransaction::TRANSACTIONTYPE:
+      case FundInitiativeRefundTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_BACKER;
         break;
       default:

src/applications/fund/xaction/FundInitiativeBackerTransaction.php

@@ -57,9 +57,10 @@ final class FundInitiativeBackerTransaction
       FundInitiativeTransaction::PROPERTY_AMOUNT);
     $amount = PhortuneCurrency::newFromString($amount);
     return pht(
-      '%s backed %s.',
+      '%s backed %s with %s.',
       $this->renderAuthor(),
-      $this->renderObject());
+      $this->renderObject(),
+      $amount->formatForDisplay());
   }
 
   public function getIcon() {