Translate Introduction Section
Typo Fixes
More Typo Fixes
[pt_BR] remove line breaks inside html tags

In order to ease tracking and syncing with english version, that DON'T
use line break.
[pt_BR] Review and fix typos of section introduction

Fix #2

Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>
Merge pull request #4 from phpbestpractices/pt_br/introduction

Pt br/introduction