Add Sapporo 01
Merge pull request #13 from mori-ko/development

Add Sapporo 01
remove unused variables
fix sapporo event page
Cosme
Optim image
fix some
Merge branch 'development' of github.com:jsgirls/jsgirls.org into development

Conflicts:
	src/documents/events/sapporo-201404.html.jade.eco
merge
_:(´ཀ`」 ∠):
Merge pull request #14 from jsgirls/development

sync to master