main/alpine-conf: upgrade to 2.0

fixes #91
fixes #220
(cherry picked from commit b25b80ea)

main/alpine-conf/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=alpine-conf
-pkgver=2.0_rc9
+pkgver=2.0
 pkgrel=0
 pkgdesc="Alpine configuration management scripts"
 url=http://git.alpinelinux.org/cgit/$pkgname
@@ -18,4 +18,4 @@ build() {
 		ln -s lbu "$pkgdir"/sbin/lbu_$i
 	done
 }
-md5sums="2eec332e42c5573b89d1f165dac2796f  alpine-conf-2.0_rc9.tar.bz2"
+md5sums="0aa966ef854de61b375d7e08bdb105b4  alpine-conf-2.0.tar.bz2"