GitLab

Conflicts:
	wiki/src/contribute/talk.html

  - Relevant ideas have been implement or pushed in to Redmine
  - The rest is either not relevant anymore, not Tails specific, not something
    we want to document, etc.

This not only happens in Tails, and will probably stay like this for a while.
But still, they needed to be updated because on GNOME 3 there are no icons
anymore and so the old ones look quite different. Having the truncated
notifications in the screenshots is actually the most accurate thing that we can
do here.

The title of the page is already descriptive enough.

  - Move it as a first step in the installation process.
  - Explicit the fact that Tails Installer is only available inside Tails.

This is where all the general information belongs