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/functions.sh.in

@@ -47,7 +47,7 @@ _sanitize_path()
 	local IFS=":" p= path=
 	for p in $PATH; do
 		case "$p" in
-			@PREFIX@/@LIB@/rc/bin|@PREFIX@/@LIB@/rc/sbin);;
+			@LIBEXECDIR@/bin|@LIBEXECDIR@/sbin);;
 			@PREFIX@/bin|@PREFIX@/sbin|/usr/bin|/usr/sbin);;
 			@PKG_PREFIX@/bin|@PKG_PREFIX@/sbin);;
 			@LOCAL_PREFIX@/bin|@LOCAL_PREFIX@/sbin);;
@@ -70,7 +70,7 @@ _PREFIX=@PREFIX@
 _PKG_PREFIX=@PKG_PREFIX@
 _LOCAL_PREFIX=@LOCAL_PREFIX@
 _LOCAL_PREFIX=${_LOCAL_PREFIX:-/usr/local}
-_PATH=@PREFIX@/@LIB@/rc/bin
+_PATH=@LIBEXECDIR@/bin
 case "$_PREFIX" in
 	"$_PKG_PREFIX"|"$_LOCAL_PREFIX") ;;
 	*) _PATH="$_PATH:$_PREFIX/bin:$_PREFIX/sbin";;
@@ -104,7 +104,7 @@ else
 	# the last ecmd
 	for _e in ebegin eend error errorn einfo einfon ewarn ewarnn ewend \
 		vebegin veend veinfo vewarn vewend; do
-		eval "$_e() { local _r; @PREFIX@/@LIB@/rc/bin/$_e \"\$@\"; _r=$?; \
+		eval "$_e() { local _r; @LIBEXECDIR@/bin/$_e \"\$@\"; _r=$?; \
 		export EINFO_LASTCMD=$_e; return \$_r; }"
 	done
 	unset _e