rename tasks factory
test for dashboard partial my tasks (view and feature)
delete tasks index backup
delete index_backup for tasks page
add overview for upcoming events in dashboard
style panel including upcoming events
fix shown events
show text if there are no upcoming events
add tests for event overview in dashboard index
Merge branch 'A/feature/#88' into A/feature/#87

Conflicts:
	spec/views/dashboard/index.html.erb_spec.rb
add return_url in order to be redirected to dashboard after clicking on an event
Merge branch 'A/feature/#87' into Axolotl