change find to use keys, fix /etc/docker copying using find

Signed-off-by: Justin Cormack <justin.cormack@docker.com>

alpine/packages/docker/etc/init.d/docker

@@ -40,7 +40,11 @@ start()
 
 	if mobyconfig exists etc/docker
 	then
-		cp -a $(mobyconfig find etc/docker) /etc/docker/
+		for f in $(mobyconfig find etc/docker)
+		do
+			mkdir -p $(dirname $f)
+			mobyconfig get $f > $f
+		done
 	fi
 	if mobyconfig exists network
 	then

alpine/packages/mobyconfig/mobyconfig

@@ -73,7 +73,7 @@ if [ $1 == "find" ]
 then
   if [ -e ${BASE}/${KEY} ]
   then
-    find ${BASE}/${KEY} -type f
+    find ${BASE}/${KEY} -type f | sed "s@^${BASE}@@g"
     exit 0
   else
     printf "No such key: ${KEY}\n" 1>&2