put now works on nonexistent computer ids

[kenziebottoms]

Description

When PUTting, if you hit an id that a computer doesn't already own, it creates a new one

Related Ticket(s)

97

Steps to Test Solution

1. npm checkout kb-computer-put
2. npm run db:generate
3. comment out non-computer routes
4. postman: PUT http://localhost:8080/api/v1/computers/25

   {"mac_address":"as:u:wish","purchase_date":"2016-10-08T13:17:00.534Z","decommission_date":"2017-06-22T09:18:52.019Z"}

5. GET http://localhost:8080/api/v1/computers/25 should now give you the above data

[jordan-castelloe]

testing!

[DavidLarsKetch]

testing