Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Conflicts:
	Gemfile
	app/controllers/application_controller.rb
	app/views/admin/groups/_form.html.haml
	app/views/groups/edit.html.haml
	app/views/groups/show.html.haml
	app/views/layouts/nav/_admin.html.haml
	app/views/projects/_settings_nav.html.haml
	db/schema.rb
	doc/install/installation.md
	doc/update/6.x-or-7.x-to-7.6.md