[vevo] Support '/watch/{id}' urls

youtube_dl/extractor/vevo.py

@@ -15,7 +15,7 @@ class VevoIE(InfoExtractor):
     Accepts urls from vevo.com or in the format 'vevo:{id}'
     (currently used by MTVIE)
     """
-    _VALID_URL = r'((http://www\.vevo\.com/watch/.*?/.*?/)|(vevo:))(?P<id>.*?)(\?|$)'
+    _VALID_URL = r'((http://www\.vevo\.com/watch/(?:[^/]+/[^/]+/)?)|(vevo:))(?P<id>.*?)(\?|$)'
     _TESTS = [{
         u'url': u'http://www.vevo.com/watch/hurts/somebody-to-die-for/GB1101300280',
         u'file': u'GB1101300280.mp4',