* feature: support fdb table on generic devices
refactored code to use snmpwalk_group
refactored ajax table code to use joins and reduce extra queries
add indexes for device_id and port_id, drop primary index
Make all columns sortable
Fix a few other small issues
* Add index for vlan_id since that field can be searched by the user
* fix whitespace
* Rename 197.sql to 198.sql
* set row count for table
* refactor: Moved ifLabel -> cleanPort and updated the usage
* added list of tags allowed
* few updates as per comments from @murrant
* Added simple unit tests
* double display for javascript popover
* Remove ifNameDescr() function
Fix realtime port page
* remove accidental temp code
* Remove double display calls in ajax tables
Tony Murray
Neil Lathwood
Richard Mayhew
Job Snijders
Mike Rostermund