parse_tdiary moved TDiary to DefaultIO, this method used DefaultIO only.
implements cgi configuration load/save methods in DefaultIO layer.
@data_path is only use DefaultIO
cosmetic
enabled original logger
disabled File type cache without DefaultIO
don't need auto migration without DefaultIO
added heroku_io, supported PostgreSQL backend.
added default database adapter
added database initialize task
fix initialize DSL, and added drop task.
impl memorize to temporary configuration.
move thin to default environment, heroku needs to application server.
ignore test task for production mode
added default heroku configuration
fixed can't save temporary configuration.
fix update process, can't update existing data.
remove file type locking
rename database tables
fix rake spec broken