Implements Memcached class for memcach session

サーバセッション用のMemcacheクラスを実装
Remaned service class name
Implements server session using cache
Defined configuration local and heroku
Changed CRLF to LF
Implements Memcached class for memcach session

サーバセッション用のMemcacheクラスを実装
Remaned service class name
Implements server session using cache
Defined configuration local and heroku
Changed CRLF to LF
Merge branch 'step6' of github.com:flect-shimizu/ht-java-play23 into step6

Conflicts:
	conf/routes