Write song name to title

[vorkos]

It will be useful to see the song name in the title. When playing on mobile it showing only "Streamlist".
So, "templates/header.html" may be completed with current playing "{{$media.Title}}"

[WTFKr0]

Thanx for that
We are currently migrating code to gitlab.com
I created a related issue here : https://gitlab.com/wtfcoderz/streamlist/issues/46