Bug 370768 - new 'Edit...' button to access connection properties

Change-Id: I0117516b6c79bfe4acc80ecce81c5acad775c697
Signed-off-by: Iulia Vasii <IuliaMadalina.Vasii@freescale.com>
Reviewed-on: https://git.eclipse.org/r/35543
Tested-by: Hudson CI
Reviewed-by: Teodor Madan <teodor.madan@freescale.com>
Tested-by: Teodor Madan <teodor.madan@freescale.com>