translating intro updates
Changed name to proper locale name
Update PT-BR.md

Correção de acentuação e outros detalhes.
Merge pull request #135 from lucious7/patch-1

Update PT-BR.md
removed validthis as controllers do not need it if they are uppercased
removed validthis as controllers do not need it if they are uppercased
whitespace
first code
first code
added Style codes
added Style codes with links
proper casing for links
Merge pull request #136 from johnpapa/codes

Codes
Pull Request #136 changes

Edited to match PR #136 and minor translation changes.
Merge pull request #137 from angelochiello/master

Pull Request #136 changes in Italian file
Translate for the topic 'Directives' (PT-BR)
Put my name as one of the collaborators
Merge pull request #139 from vinicius-sabadim/patch-7

Translate for the topic 'Directives' (PT-BR)
Merge pull request #140 from vinicius-sabadim/patch-8

Put my name as one of the collaborators
Translate for the topic 'Resolving Promises for a Controller' (PT-BR)