Fix bug #210 -  Omit retired devices from Devices passes health checks ..
Fix bug #210 -  Omit retired devices from Devices passes health checks ..

Change-Id: Ib1bf23bf501e3c86a037fe932453204585f5bc13

Linaro/lava-server,Linaro/lava-server,Linaro/lava-server,Linaro/lava-server