RequestCast 1.8.2

YouTube livestreams now play live instead of trying to download.

"Add & request" on a livestream puts it on the air. A YouTube livestream never
ends, so there was nothing sensible to download — the old behaviour was a download
that hung or failed. Now, when live playback is enabled in Preferences, choosing
"Add & request" on a live URL relays the stream straight into the station's live
input, and AzuraCast's live-fallback switch takes it on air a few seconds later.
The home page shows the live stream while it is playing, with a Stop button that
hands the air back to AutoDJ.

Live playback is opt-in and configurable. Two new settings control it:
azuracast_live_enabled (off by default) and azuracast_live_url, the icecast://
URL of the station's live/DJ harbor. On a server they can also be set with
REQUESTCAST_AZURACAST_LIVE_ENABLED=1 and REQUESTCAST_AZURACAST_LIVE_URL. A
livestream that is added but not requested, or one that appears inside a playlist,
is reported clearly as a livestream rather than being silently attempted.