Change options in VoiceClient.create_ytdl_player to ytdl_options.
Change options in VoiceClient.create_ytdl_player to ytdl_options.

This is a breaking change. This allows you to set both ffmpeg options
and regular ytdl options in the same function since we now just
forward the keyword arguments to the ffmpeg player.

imayhaveborkedit/discord.py,lgkern/PriestPy,rapptz/discord.py,Theoretical/UselessBot,jhgg/discord.py,Harmon758/discord.py,Harmon758/discord.py,khazhyk/discord.py,Rapptz/discord.py,variablehair/Eggplantato,mgardne8/discord.py