Merge pull request #19 from keitaroinc/docker-entrypoint-fix

fixes wrong location check and call for the docker entrypoint

rootfs/setup/app/start_ckan.sh

@@ -1,8 +1,8 @@
 #!/bin/bash
 # Run any startup scripts provided by images extending this one
-if [[ -d "/docker-entrypoint.d" ]]
+if [[ -d "${APP_DIR}/docker-entrypoint.d" ]]
 then
-    for f in /docker-entrypoint.d/*; do
+    for f in ${APP_DIR}/docker-entrypoint.d/*; do
         case "$f" in
             *.sh)     echo "$0: Running init file $f"; . "$f" ;;
             *.py)     echo "$0: Running init file $f"; python "$f"; echo ;;