add input checkbox to remove multiple users
add input checkbox to remove multiple groups
add checkbox on the left side of the table and remove checkall checkbox
add onclick
add check system user
add tr id
add checkbox on the left side of the table and remove checkall checkbox
remove checkall checkbox
Implement advanced settings in unbound.conf

The settings are made in the Advanced tab in the GUI and are stored in the config.
Now actually implement them in unbound.conf
Merge pull request #1336 from phil-davis/patch-4
Merge pull request #1334 from brunostein/remove_multiple_users
Merge pull request #1335 from brunostein/remove_multiple_groups