[IM] Add hostname field to add switch form
WIP
[HK] This field was a typo and is now removed
[NF] Switch polling by SNMP
[WIP] Switchport discovery by SNMP
[IM] Adding link to snmp-poll for switch
[NF] Adding view for SNMP Poll
[NF] SNMP Poll first pass
[BF] Wrong logic then reducing log inforamtion
[HK] Regenerating proxies after shema changes
[DB] Adding active field to swichport table
[IM] Updating older code to reflect new active field
[NF] True /false script for frontend
[IM] Making single row type update as ajax
[IM] Tidying up code
[BF] Fixing logic
[IM] Better AJAX handling
[CR] Small tweaks and fixes.
[IM/CR] Major refactor of SNMP polling code
Fix typos / messages