SDC-1853. Handle UI state when server is terminated
SDC-1853. Handle UI state when server is terminated

Change-Id: Idabeadbde3c8713a45644a93f51554e8b082a2e9
Reviewed-on: https://review.streamsets.net/1420
Reviewed-by: Madhukar Devaraju <d22477479bbf55ba62bd822f4112c80f292c7805@streamsets.com>

studanshu/datacollector,z123/datacollector,streamsets/datacollector,studanshu/datacollector,kunickiaj/datacollector,streamsets/datacollector,SandishKumarHN/datacollector,rockmkd/datacollector,SandishKumarHN/datacollector,WgStreamsets/datacollector,WgStreamsets/datacollector,rockmkd/datacollector,streamsets/datacollector,z123/datacollector,studanshu/datacollector,rockmkd/datacollector,kunickiaj/datacollector,streamsets/datacollector,SandishKumarHN/datacollector,z123/datacollector,WgStreamsets/datacollector,SandishKumarHN/datacollector,rockmkd/datacollector,z123/datacollector,kunickiaj/datacollector,studanshu/datacollector,rockmkd/datacollector,kunickiaj/datacollector,WgStreamsets/datacollector,studanshu/datacollector,kunickiaj/datacollector,z123/datacollector,streamsets/datacollector,SandishKumarHN/datacollector,WgStreamsets/datacollector