Fix bug #1328780 - No LAVA API method available to retrieve LAVA job ID
Fix bug #1328780 - No LAVA API method available to retrieve LAVA job ID

Adds on to dashboard.bundles() API to get the associated job id if available.

Change-Id: I8169fef0fff74b16eccab9e06744eb2694d7cda0

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