updates the latest translations for Dutch (nl) (#178)

* updates the latest translations for Dutch (nl)

* fixes gitignore file to allow vendor files in public/assets

Change-Id: Ida7a6d4c126437be936e7f571d3a5fbf780bfbd4

Merge pull request #177 from thedevdojo/show-errors-by-default

Show errors by default

Merge pull request #170 from galdazbiz/master

languages improved + fix repeated js in discussions

Merge pull request #167 from gerbenjacobs/select-current-category

selects the current category when creating a new discussion

Merge pull request #165 from gerbenjacobs/use-name-for-avatar-circles

switches to the configured display name for circle avatars

Merge pull request #157 from galdazbiz/languages

Languages integration - English and Spanish

Merge pull request #97 from thedevdojo/analysis-Xk7Qx4

Apply fixes from StyleCI

add plural version of "discussion" in config (#67)

Responsive width for new_discussion form (#61)

new_discussion form has static width size. So, when resize window, if width < 750px buttons not clickable. Out of visible port.

Adding pre tag to preserve md