+ naming search-field with placeholder
+ remastered login/logout views
! fix select box width
! changed nav bar items to 10
! removed voluma as table column, add ordered boolean
! minor css adjustments
! modified sub-side-menu
! removed unneeded css-classes
+ added new kind of filtering
+ added link to reporting of billings
+ added billings report handler (alpha version)
! changed using of AccessibleObject to Interface Member, because of method getDeclaringClass()
! impl. ReportBillingHandler (beta)