Rename the type http_method/0 to cowboy_http:method/0

Exported types are much better than include files.

src/cowboy_http.erl

@@ -26,6 +26,11 @@
 -export([connection_to_atom/1, urldecode/1, urldecode/2, urlencode/1,
 	urlencode/2]).
 
+-type method() :: 'OPTIONS' | 'GET' | 'HEAD'
+	| 'POST' | 'PUT' | 'DELETE' | 'TRACE' | binary().
+
+-export_type([method/0]).
+
 -include("include/http.hrl").
 -include_lib("eunit/include/eunit.hrl").
 

src/cowboy_http_protocol.erl

@@ -108,7 +108,7 @@ wait_request(State=#state{socket=Socket, transport=Transport,
 		{error, _Reason} -> terminate(State)
 	end.
 
--spec request({http_request, http_method(), http_uri(),
+-spec request({http_request, cowboy_http:method(), http_uri(),
 	http_version()}, #state{}) -> ok | none().
 request({http_request, _Method, _URI, Version}, State)
 		when Version =/= {1, 0}, Version =/= {1, 1} ->

src/cowboy_http_req.erl

@@ -56,7 +56,7 @@
 %% Request API.
 
 %% @doc Return the HTTP method of the request.
--spec method(#http_req{}) -> {http_method(), #http_req{}}.
+-spec method(#http_req{}) -> {cowboy_http:method(), #http_req{}}.
 method(Req) ->
 	{Req#http_req.method, Req}.