Empty methods list allowed
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Update Cowboy to 0.8.5
manual: Add a missing return type for generate_etag
manual: Fix a typo in a typespec
Add experimental and incomplete SPDY support

The SPDY connection processes are also supervisors.

Missing:
 *  sendfile support
 *  request body reading support
Merge branch 'rest_method' of git://github.com/dvv/cowboy
Improve generate_etag return value description
In content-types, the charset parameter is converted to lowercase

We know this specific parameter is case insensitive so we
automatically lowercase it to make things simpler to the
developer.
Don't crash on empty Cookie header

It's not allowed, however a heavily deployed client (Flash player)
can send such an empty header, therefore we make a special condition
for it and return an empty list when it happens.
zero-length header names MUST issue a stream error
Fix cowboy:start_http/https/spdy typespecs
Move static files creation into ct_helper
Add sendfile support to SPDY, enabling cowboy_static use
Fix a couple control_frame clauses that were too large
Fix the reading of the localhost MTU in the HTTP tests

Sometimes the localhost interface has a different name from "lo",
this fix adds a helper function to read the MTU value when the
interface name starts with "lo".
Use read_file_info/2 with {time, universal} option
Merge branch 'spdy-zero-length-header-names' of git://github.com/bgentry/cowboy