Added REST API for job and data source with simple validation

Partially implements blueprint edp-data-discovery-component
Partially implements blueprint edp-job-manager-components

Change-Id: I9a2eecd43eb25920605f0436d833f7dc5e6a1cad
Now swift config is not passed if Swift disable

Change-Id: I17339c7339a9d6f786ba8c803f2778d8d666ed61
Docs fixed for horizon

Symlink fix for UI developer guide.

Change-Id: I8b4488bee17ca029ae63310d00632219724c49a4
Merge "Added REST API for job and data source with simple validation"
Merge "Docs fixed for horizon"
Merge "Now swift config is not passed if Swift disable"