Add elasticsearch mapping
add test page, and twitter stream script
update
add file_steam.php
update
update file_stream.php
update for backbonejs
update
update
update
Merge branch 'master' of https://github.com/cw-tanaka/elastica-sample

Conflicts:
	api/search.php
	index.php
	twitter_stream.php
Merge branch 'feature/backbonejs' of https://github.com/cw-tanaka/elastica-sample
update!
update
udpate
Delete yuidoc documents
Delete yuidoc documents
udpate
delete unnecessary files
debug