Fixed incorrect uptime display
Added date input validation
NASTransmitRate and NASReceiveRate now display blank if not available

Fixed incorrect row name when fetching terminate cause

Cleanup

Commented code not used

Total additional topups not including current topup being used

Show searched dates in date fields

* Changed attribute name SMRadius-Capping-Time-Limit to SMRadius-Capping-UpTime-Limit, this makes way for another feature to be added soon