Include details of /channels/:channel/panels call

This allows remote websites to integrate more fully with Twitch.TV's channels by displaying the various rules and links of the channel themselves, to help prevent accidental divergence between a streamer's personal and fully themed website and the main twitch.tv website.

Due to the Justin.TV shutdown preventing the 'test_user1' account from working at the moment I used the 'twitch' channel for the example provided.