Merge pull request #111 from atlasapi/mbst-4910-add-alternate-image-type

Add new image type
Merge pull request #112 from atlasapi/mbst-4764-add-series-to-sub-items

Add list of series to Playlist and new annotation SERIES
Add new channel, RT (Russia Today)
Copy live attribute
Merge branch 'mbst-5498-live-flag' into stage