add nagasaki.html
make "want to do" list.
Merge pull request #11 from ICTKyouikukei2013/ejo090/refactoring

make "I want to do" list.
Merge pull request #9 from ICTKyouikukei2013/mizushiri

add add method and yutomizushiri.html
Merge pull request #10 from ICTKyouikukei2013/Kosuke/GitRiconfirm

add nagasaki.html
導入
Merge pull request #12 from ICTKyouikukei2013/Rikako/html

導入
Create tutorial2.py
add homework