https://developers.google.com/appengine/docs/java/gettingstarted/installing?hl=ja
http://googcloudlabs.appspot.com/appendix1.html
Using Apache Ant
https://developers.google.com/appengine/docs/java/tools/ant
https://developers.google.com/appengine/docs/java/tools/uploadinganapp
https://developers.google.com/appengine/docs/java/datastore/?hl=ja
http://code.google.com/p/googleappengine/issues/list
https://groups.google.com/forum/?fromgroups#!forum/google-appengine
https://groups.google.com/forum/?fromgroups=#!forum/google-app-engine-japan