Release 0.8.4

This release is compatible with nginx 1.1.15

Signed-off-by: Brice Figureau <brice@daysofwonder.com>

CHANGES

+nginx_upload_progress release 0.8.4                              24 Feb 2012
+
+ * Fix compatibility with nginx 1.1.15
+
 nginx_upload_progress release 0.8.3                              11 Sep 2011
 
  * HTTP redirects (ie 3xx range) shouldn't be reported as an error (thanks to