Inspired by a user who received the email confirmation in Gmail's spam folder. This happened with Sparkpost correctly setup.

* Make Reporting admin section translatable

And translate it into english and french

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

* Make subject of emails translatable and improve french translation

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

* Make error pages translatable and translate them in english and french

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

* Translate site setting section

* Insert instance in registration emails and improve them a bit

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

* update faq with default language

* update translation for about page

* update Minio config

Thanks to @Gargon for helping me. I hope this will help others as well

* update import and export translation

* translate emails to finnish

* add finnish translation for emails

* add finnish translation for emails

* add finnish translation

* add missing dot

* update finnish language to emails

* add finnish translation for emails

* add dot and fix typo

* updated some minor typos

* remove language change due breaking emails

And by dev request

* updated minio config by dev request

* updated about page translation

* fix for Amazon S3/Minio instance setups

If you were using S3 or Minio for your files, this will fix the Import issue :)

* update translation according to issue #1515

See issue #1515

* update translation for issue #1515

see issue #1515

Fix #68