[ja] Apply c267f27
Update 01-chapter2.markdown

Algumas correções entre a parte 2.4 e 2.8. A maioria de pontuação, mas eventualmente pode haver outro pequeno ajuste.

Some corrections between part 2.4 and 2.8. Mostly about punctuation, but eventually can have another little adjust.
Merge pull request #548 from nmoura/patch-5

Update 01-chapter2.markdown
[pt-br] Update 01-chapter4.markdown

[pt-br]

Concordance, punctuation, plural and another mistakes corrected.

Concordância, pontuação, plural e outros erros corrigidos.
Merge pull request #550 from nmoura/patch-6

[pt-br] Update 01-chapter4.markdown
Update 01-chapter3.markdown

General translation fixes
Update 01-chapter3.markdown

General fixes
Merge pull request #551 from paulodrjr/master

[pt-BR] Update 01-chapter3.markdown
Merge pull request #543 from harupong/ja-chapter3

[ja] Apply c267f27
Merge branch 'progit/master'