Move Profile related controllers under Profiles:: module

app/controllers/profiles/keys_controller.rb

app/controllers/profiles/notifications_controller.rb

app/controllers/profiles/passwords_controller.rb

app/helpers/application_helper.rb

app/views/layouts/nav/_profile.html.haml

app/views/profiles/keys/_form.html.haml

app/views/profiles/keys/_key.html.haml

app/views/profiles/keys/edit.html.haml

app/views/profiles/keys/index.html.haml

app/views/profiles/keys/new.html.haml

app/views/profiles/keys/show.html.haml

app/views/profiles/notifications/_settings.html.haml

app/views/profiles/notifications/show.html.haml

app/views/profiles/notifications/update.js.haml

app/views/profiles/passwords/new.html.haml

app/views/profiles/show.html.haml

config/routes.rb

features/steps/profile/profile_ssh_keys.rb

features/steps/shared/paths.rb

spec/routing/notifications_routing_spec.rb