#2646: update example in the initializer
#2646: provide absolute path example for site_title_image
GFM docs update
update 8-custom-actions.md
update 9-batch-actions.md
small docs update
add formalistic locale
Add missing translations to pt-BR locale
Merge pull request #2668 from WilliamZang/patch-1

add formalistic locale
Merge pull request #2670 from mateusg/master

Add missing translations to pt-BR locale
ensure ActiveRecord is loaded when running tests

fixes #2664