Add instructions to Nginx rewrite config

Prevent problems when plugins include direct-access php files.
Merge pull request #706 from singlow/rewrite-docs-plugin-php-file-fix

Add instructions to Nginx rewrite config
Fix for navbar dropdowns

Navbar items with children broke if the menu depth excluded the children.
Such as: wp_nav_menu(array('depth' => 1)) where 2nd level children exist
Updated pt-br translation
Merge pull request #709 from weslly/master

Updated pt-br translation
Merge pull request #707 from kara-todd/master

Navbar items break if the menu depth is set to exclude children
Merge remote-tracking branch 'remotes/roots/master'

Conflicts:
	lang/pt_BR.mo
	lang/pt_BR.po