Update on pt-br translation
Update on pt-br translation

- Fixed some semantic errors
- Added more portuguese expressions and terms
- Fixed some typos and ponctuation
- Entire table of contents in portuguese (when needed)
- Title of the page in portuguese
woneob/You-Dont-Need-jQuery,risyasin/You-Dont-Need-jQuery,enricolucia/You-Dont-Need-jQuery,2947721120/You-Dont-Need-jQuery,item4/You-Dont-Need-jQuery,oneuijs/You-Dont-Need-jQuery