Added Macedonian translation to ngStyleGuide
Added fixes to content navigation & few lexical issues
Update PT-BR.md

Hi guys, I hope I can help you a bit. 

I translated a small part. Some pieces I did not get a proper translation, so I left untranslated for someone more skilled than me.
Merge pull request #113 from jlcarvalho/patch-1

Update PT-BR.md
Merge pull request #112 from Bogatinov/master

Added Macedonian translation to ngStyleGuide
macedonian credits
MK