to marge
Merge remote-tracking branch 'hayata/master'

Conflicts:
	server.rb
modify eval.rb   add p to sever.rb
modify group_id
Merge remote-tracking branch 'hayata/master'
Merge remote-tracking branch 'hayata/master'

Conflicts:
	server.rb
to marge
Merge remote-tracking branch 'hayata/master'
remove eval/data
Merge pull request #21 from yusuke0h/master

評価用のデータの削除