phill: Replace task references regardless of case

scripts/phill/phill.php

@@ -125,7 +125,7 @@ class PhillImporter
     $patterns = array();
     $replacements = array();
     foreach ($this->tasks as $id=>$task) {
-      $patterns[] = "/\\b$id\\b/m";
+      $patterns[] = "/\\b$id\\b/im";
       $replacements[] = $task->getMonogram();
     }