deleted:    libs/btn_plugin/NSF2014_B3-1_takesako.pdf
	deleted:    libs/btn_plugin/reversing400-b05c8059389c8ade8e1a10314f458be5
eleted:    libs/btn_plugin/shibuya_pm (1).pdf
	deleted:    libs/btn_plugin/shibuya_pm (2).pdf
	deleted:    libs/btn_plugin/shibuya_pm (3).pdf
	deleted:    libs/btn_plugin/shibuya_pm (4).pdf
	deleted:    libs/btn_plugin/shibuya_pm.pdf
	modified:   src/php/railway_select.php
	modified:   src/php/test.php