Check for vim account selection before instantiating- display error and prevent user from continuing

Signed-off-by: Laurence Maultsby <laurence.maultsby@riftio.com>
(cherry picked from commit 757cd367e122e32b5ac04d0196a932c8c35145e7)

Change-Id: I25412974e18befc79411c4d2478bdcacf939add3
1 file changed