* cigaes/master:
  lavf/http: Add simple autodetection for client HTTP method, based on AVIO_FLAG_READ.
  lavf/http: Indent else-clause.
  lavf/http: Properly process HTTP header on listen.
  lavf/http: Rudimentary error handling for HTTP requests received from clients.
  lavf/http: Process HTTP header before sending response.
  lavf/http: Document method option.
Merged-by: Michael Niedermayer <michaelni@gmx.at>