Update to upstream version 0.24

While on it:
- Add LICENSE*
- Fix conditional installation of lyrics helper scripts

PR:		193999
Submitted by:	henrik@affekt.org
Reviewed by:	riggs
Approved by:	maintainer (timeout)


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@374998 35697150-7ecd-e111-bb59-0022644237b5