removed uninitialised streams which we were taking care to close. Solution-wide
style: use string.IsNullOrEmpty method instead of checking separately for null
and zero length.
Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
NewAction to use the Action<ActionBase> delegate instead of EventHandler. Thus
there is no need to fire them with Empty or null EventArgs and on several occasions
we avoid casting objects in the event handlers.
Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>