Removed deprecated method, updated dependency in sample project

Updated version number

Updated package description

Added strong name for assembly

Merge branch 'master' of https://github.com/mjuen/Notifications.Wpf.Core

Update README.md

Merge branch 'master' of https://github.com/mjuen/Notifications.Wpf.Core

Add new dependency property to NotificationArea to allow binding of a…

… name

Merge branch 'master' of https://github.com/mjuen/Notifications.Wpf.Core

Update README.md