shairport: update to latest version, add license and switch release to source version

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

multimedia/shairport/Makefile

@@ -8,16 +8,19 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=shairport
-PKG_VERSION:=2014-05-08
-PKG_RELEASE:=2
+PKG_VERSION:=2014-08-22
+PKG_RELEASE:=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=git://github.com/abrasive/shairport.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=078b21043cdcef6ffad7452db27f036770b23b0c
+PKG_SOURCE_VERSION:=d679d19a4bd66cc220dabfd23ad748c34e95995c
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MAINTAINER:=Ted Hess <thess@kitschensync.net>
 
+PKG_LICENSE:=MIT
+PKG_LICENSE_FILES:=LICENSES
+
 include $(INCLUDE_DIR)/package.mk
 
 define Package/shairport