[patch] builtin support to fetch lyrics

Forums:

I added two more options to support fetching lyrics. By default it uses lyrics.wikia.com.

https://github.com/christophgysin/moc/commit/17e041cc07b72284c800acc178cb8a792c54eb1d

If you happen to run archlinux, here's a package with the patch included:

https://aur.archlinux.org/packages/moc-lyrics-git/