Fix Column Edit URI, simple dropdown UI

Summary: Fix the URL to editing columns, fix the color of a PHUIX dropdown(simple)

Test Plan: Click on Dropdown, don't feel offended. Edit a Column from various search URLs. Fixes T5341

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T5341

Differential Revision: https://secure.phabricator.com/D9507

src/applications/project/controller/PhabricatorProjectBoardViewController.php

@@ -162,7 +162,7 @@ final class PhabricatorProjectBoardViewController
         ->setHeader($column->getDisplayName())
         ->setHeaderColor($column->getHeaderColor());
       if (!$column->isDefaultColumn()) {
-        $panel->setEditURI('column/'.$column->getID().'/');
+        $panel->setEditURI($board_uri.'column/'.$column->getID().'/');
       }
       $panel->setHeaderAction(id(new PHUIIconView())
         ->setIconFont('fa-plus')
@@ -290,11 +290,6 @@ final class PhabricatorProjectBoardViewController
       ->setHref('#')
       ->addSigil('boards-filter-menu')
 
-/*
-      TODO: @chad, this looks really gnarly right now, at least in Safari.
-      ->setDropdown(true)
-*/
-
       ->setMetadata(
         array(
           'items' => hsprintf('%s', $filter_menu),