fix accounts and hooks endpoints

lib/travis/api/app/endpoint/accounts.rb

@@ -4,7 +4,7 @@ class Travis::Api::App
   class Endpoint
     class Accounts < Endpoint
       get '/', scope: :private do
-        body service(:account).find_all, type: :account
+        body service(:account).find_all, type: :accounts
       end
     end
   end

lib/travis/api/app/endpoint/authorization.rb

@@ -115,7 +115,7 @@ class Travis::Api::App
       get '/post_message' do
         handshake do |user, token, target_origin|
           halt 403, invalid_target(target_origin) unless target_ok? target_origin
-          rendered_user = Travis::Api.data(service(:user, user).find_one, type: :user, version: :v2)
+          rendered_user = Travis::Api.data(user, version: :v2)
           post_message(token: token, user: rendered_user, target_origin: target_origin)
         end
       end

lib/travis/api/app/endpoint/hooks.rb

@@ -5,8 +5,7 @@ class Travis::Api::App
     # TODO: Add documentation.
     class Hooks < Endpoint
       # TODO: Add implementation and documentation.
-      # TODO scope: :private
-      get('/') do
+      get('/', scope: :private) do
         body service(:hooks).find_all(params), type: :hooks
       end