Added new field representing lending. also made searchable
devices can now be lendt and returned
fixed homeview and search
Lending now also has a returned datefield
Added Lendinghistory to device detail
made forms prettier and more responsive
moar respony stuffy.
Devices can now be archived
Devicelist now has filtering option

Filtering options: Active, all, available, unavailable, archived
Upsi
Search now also has filtering options (same as devicelist)
User can specify a room if hardware is lent
Archived devices aren't in any rooms anymore
Archived devices are hidden from type, manufacturer and location listing
fix, as foundation uses "alert" instead of error
fix, as device couldn't be edited anymore
centered messages
Archived devices can't be edited anymore
archived devices aren't lent anymore