[fix] 'no recent contact yet' show when required
Favorite Contacts can now be defined

Add a 'is_favorite' property in Contact model
Add a 'switchFavorite' function in 'App.ContactsSearchController'
Update the template 'contact.search':
- Add dedicated icons to display this status (start/empty-star)
- Icons also trigger the 'switchFavorite' function
[fix] recent contacts synced on Contact deletion
migrating to ember-1.0.0-rc4, ember-data-0.0.13
the GUI now indicates the # of recent contacts
Manage plurals depending on contact count
Add tooltip on icons related to actions
Made the Search feature 'on-the-fly'

'searchContacts' is now a property (instead of being a function, called
by a search button)
use 'ember-localstorage-adapter'

www://github.com/rpflorence/ember-localstorage-adapter
searched Contacts are now displayed alphabetically
file renaming
add special message 'no Contact yet...' in template 'contacts.search'
'Home' page & footer
rework of Home page
migrating to ember-1.0.0-rc5
RecentContacts update when activating route 'read' and 'update'
tries (commented) to commit recentContacts