Tuong thich old url
Merge branch 'trunk' of https://github.com/voer-platform/vpw

# By Zniper (3) and Huy Vu (1)
# Via Zniper
* 'trunk' of https://github.com/voer-platform/vpw:
  Correct collection detail URL
  Correct issue when visit old URL with version
  Adjust crawling paths
  Tuong thich old url

Conflicts:
	voer/urls.py
	vpw/views.py