Update OpenProject-Translations

Automatically re-index journals on Migration

Conflicts:
	Gemfile.lock
	lib/open_project/version.rb

bump rack to 1.4.7

Improve settings for mail, sys web services to improve comprehension.

This commit provides:

- Improved labels for mail_handler and sys api to spell out `WS`.
- Added instruction below the both checkboxes with a brief introduction
on what this setting actually does.

rack 1.4.6 contains a bug counting every multipart against the file multipart limit

https://github.com/rack/rack/commit/bf5bd20c38a7b748da44ce7dbb04f3eb7b4e84ba

change default on rest_api_enabled

We should now be able to address all inconsistencies that occured before introduction of our new index

Update guide to current installation dependencies

This guide also introduces rbanv and nodenv as
replacement for rvm and nvm.

Hide the module menu when user is anonymous and login is required.

The public permission of `:view_news` causes the Module menu to always
render when the user is anonymous, even when the Setting
`login_required` is enabled.

This workaround hides the module menu in this specific case.
Relevant work package: https://community.openproject.org/work_packages/20935

Add unique index over journals(journable_type, journable_id, version)

Adds a how to test all specs

bump translations to 4.2.2

Adds how to run plugin spes

The triplet [journable_type, journable_id, version] should never be duplicated.
We don't know for sure how duplicates can occur here, but a unique index will:
 - prevent data corruption
 - cause an error when invalid data is about to be added to the database
 - speed up typical access to the journals table

remove last login information from user page