Merge pull request #93 from nsmmrs/faraday-fix

Address `Faraday::Connection#authorization` deprecation warning

Author: Jesus

lib/dropbox_api/connection_builder.rb

@@ -47,7 +47,7 @@ def build(url)
           namespace_id: self.namespace_id
         }
         middleware.apply(connection) do
-          connection.authorization :Bearer, bearer
+          connection.request :authorization, :Bearer, bearer
           yield connection
         end
       end

lib/dropbox_api/endpoints/rpc_notify.rb

@@ -3,7 +3,7 @@ module DropboxApi::Endpoints
   class RpcNotify < DropboxApi::Endpoints::Rpc
     def build_connection
       @connection = @builder.build('https://notify.dropboxapi.com') do |c|
-        c.headers.delete 'Authorization'
+        c.builder.handlers.delete(Faraday::Request::Authorization)
 
         c.response :decode_result
       end

spec/client_spec.rb

@@ -27,6 +27,7 @@ module DropboxApi
         [
           DropboxApi::MiddleWare::PathRoot,
           MiddlewareStart,
+          Faraday::Request::Authorization,
           MiddlewareMiddle,
           MiddlewareEnd
         ],