org.eclipse.equinox.common 3.8 or higher is required because
org.eclipse.core.databinding.observable.ChangeManager makes implicit use
(by a for each loop) of
org.eclipse.core.runtime.ListenerList.iterator().

Change-Id: I2ec336acf3bcb97c7d5262088a72a2ed76bb3ad4
Signed-off-by: Holger Voormann <eclipse@voormann.de>