Move non compiled libraries from /lib/rc to /libexec/rc

OpenRC version is now stored as plaintext in /libexec/rc/version

Plugins (cursplash, splashutils) will have to be re-compiled to pickup
the new directories. State data needs to be moved from /lib/rc/init.d
to /libexec/rc/init.d as well.

sh/init.sh.Linux.in

@@ -38,7 +38,7 @@ mount_svcdir()
 	fi
 }
 
-. /etc/init.d/functions.sh
+. "$RC_LIBEXECDIR"/sh/functions.sh
 [ -r /etc/rc.conf ] && . /etc/rc.conf
 
 # By default VServer already has /proc mounted, but OpenVZ does not!
@@ -68,4 +68,4 @@ if $mountproc; then
 	eend $?
 fi
 
-. "$RC_LIBDIR"/sh/init-common-post.sh
+. "$RC_LIBEXECDIR"/sh/init-common-post.sh