Remove groups plugin.
Changed groups plugin name by projects.
Removed discussion stuff.
Updated file headers.
Fixed entity type and subtype on widget entity listing.
Removed some backward compatibility conditions.
Removed plugin settings.
More appropiate languages.
Setting project subtype when creating an new one.
Making all projects closed.
Invisible projects by defect, only admin can make them public.
What matter who created a project?
Removed my status sidebar section.
No inviting people, adding directly.
Avoid group_gatekeeper in project profile and members page.
Fixed group permissions.
Fixed elgg_instanceof checks.
Any project member can edit the project and its content.
Added river languages.
Removed Manage join requests link.