Multiline Highlighting in Diffusion

Summary:
I added multiline highlighting with the syntax:

  http://site/path/to/file$from-to

NOTE: you can reverse the from and to

Test Plan: Open a file in diffusion and attempt to highlight multiple lines

Reviewers: epriestley

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D1693

src/aphront/default/configuration/AphrontDefaultApplicationConfiguration.php

@@ -265,7 +265,7 @@ class AphrontDefaultApplicationConfiguration
           'browse/'.
             '(?P<path>.*?)'.
             '(?:[;](?P<commit>[a-z0-9]+))?'.
-            '(?:[$](?P<line>\d+))?'.
+            '(?:[$](?P<line>\d+(?:-\d+)?))?'.
             '$'
               => 'DiffusionBrowseController',
           'diff/'.