Concurrent: Fixed nodata directive
Display details about a violation in a donut chart (fix #25)

If the current violation has any additional details such
information is displayed with a donut chart.
Revert "Donut: Fixed deselect()"

This reverts commit cf52bb4d20f52c796292bc36fdd3391a0108ae93.

This error is better avoided using any AngularJS directive that
only shows the donut when there is any actual data to be used.
Set a generic title
Set default font for the nodata directive (re #27)
Hide other nodata directives on error or no data (fix #27)
Violations: Hide 'groups' and 'frequency' if there is no data
Hide/fix more notada directives on error (re #27)
Workers: Showing nodata message
Last requests: Showing nodata message

Fixed empty countSum
Domain: Fixing _fillDomainDetails method
Fix pager usage (fix #28)
Last requests: Removin 'failed' word from labels
Last requests: Added decimal places for failed requests percentage
Domain: Improving position of stop-review-button
Violation: Fixing nodata directive
Last reviews: Hide 'reviews in last hour' when there is no data
Last requests: Removing message 'no reviews in last day'
Hide add or search bar when clicking in the top left menu bar (fix #29)
Fix bar hiding logic