tab name

[Nacho <nacho resa gmail com>]

Hi folks,

  I was thinking that maybe is better add a property
named "name" when we are storing the name, and
add a listener to "notify:name" and if "name" is modified,
change the name of the tab. This is a good idea if we 
are going to add an asterisk if we change anything in 
the views.

What do you think Seán?