Updated introductory slides
	modified:   join.markdown
Added a link to Noguchi-san's page
	modified:   member.ja.html
	modified:   member.md
	new file:   posts/2013-07-02-join.markdown
	new file:   posts/2013-09-04-anomaly.markdown
	new file:   posts/2013-09-04-noguchi.markdown