Set required livestreamer version to v1.11.1 - #30
Set required livestreamer version to v1.11.1 - #30

Twitch had changed their API so livestreamer was unable to
launch streams.
This update also requires a new release, so everybody will be asked to
download the latest version.

arclupin/livestreamer-twitch-gui,Rekapper/livestreamer-twitch-gui,arclupin/livestreamer-twitch-gui,Klaudit/livestreamer-twitch-gui,Klaudit/livestreamer-twitch-gui,bastimeyer/livestreamer-twitch-gui,arclupin/livestreamer-twitch-gui,streamlink/streamlink-twitch-gui,chhe/livestreamer-twitch-gui,Rekapper/livestreamer-twitch-gui,streamlink/streamlink-twitch-gui,Rekapper/livestreamer-twitch-gui,chhe/livestreamer-twitch-gui,streamlink/streamlink-twitch-gui,bastimeyer/livestreamer-twitch-gui,chhe/livestreamer-twitch-gui,bastimeyer/livestreamer-twitch-gui,Klaudit/livestreamer-twitch-gui