[ja] Update chapter 1

This change is follow up of #851.
Update 01-chapter9.markdown

Oprava nechcete ignorovat → chcete ignorovat (soubory z .gitignore).
Merge pull request #855 from okuryu/update-ja-chapter1

[ja] Update chapter 1
Merge pull request #856 from ginzel/patch-1

Update 01-chapter9.markdown
[zh] Update chapter 3, fixed one spelling
Update link and name to Plans and pricing page
Merge pull request #859 from randomecho/ch4-plans-pricing-link

Update link and name to Plans and pricing page
Merge pull request #858 from cheyiliu/master

[zh] Update chapter 3, fixed one spelling
Merge pull request #1 from progit/master

merge from progit