- added UI for global searching and presenting results
- added new server API function searchRecords that looks in different
  for indicated filter text
- alligned all Get*ByPage functions in server/database/model
  and Get* functions in server/restservice so they look
  and behave in the same way
- fixed, improved and unified searching on subnets, shared-networks
  and hosts pages - all data for searching goes through queryParams