Activities page added. Dashboard few specs. Preparing for 2.3

app/assets/stylesheets/common.scss

app/assets/stylesheets/main.scss

app/assets/stylesheets/ui_basic.scss

app/controllers/dashboard_controller.rb

app/views/dashboard/_events_feed.html.haml

app/views/dashboard/_issues_feed.html.haml

app/views/dashboard/_merge_requests_feed.html.haml

app/views/dashboard/_projects_feed.html.haml

app/views/dashboard/activities.html.haml

app/views/dashboard/index.html.haml

app/views/layouts/_app_menu.html.haml

app/views/profile/password.html.haml

app/views/projects/_show.html.haml

app/views/projects/empty.html.haml

app/views/projects/show.html.haml

config/routes.rb

spec/requests/dashboard_spec.rb