fix styles in popout view

append the <style> to #chat-messages so it gets applied to the chat
PopoutView as well.
fix errors on DJ advances

This fixes errors that get thrown when nobody DJs anymore (can't
automute the current song if no song is played)
fix twitchEmote setting not saving

This fixes a bug causing the twitchEmote setting not being saved.
Merge pull request #117 from JTBrinkmann/master

some small fixes