Merge branch 'release/0.9.3' into develop
First stab at a proper README
PropertyChangeBase: Don't try to serialize the PropertyChangedDispatcher
Add options to ActionExtension to control the behaviour if target/action are null
Update Actions to support things like Hyperlinks
We can't use NotifyCollectionChangedAction.Add or Remove with a list of items, apparently
Remove tests which were no longer relevant, since Bind/BindWeak refactor
Rename IPropertyChangedBinding -> IEventBinding
Change stylet namespace to https://github.com/canton7/Stylet
Re-instate AssemblyVersion and AssemblyFileVersion
Update changelog
Bump version
Merge branch 'release/0.9.4'

* release/0.9.4:
  Bump version
  Update changelog
  Re-instate AssemblyVersion and AssemblyFileVersion
  Change stylet namespace to https://github.com/canton7/Stylet
  Rename IPropertyChangedBinding -> IEventBinding
  Remove tests which were no longer relevant, since Bind/BindWeak refactor
  We can't use NotifyCollectionChangedAction.Add or Remove with a list of items, apparently
  Update Actions to support things like Hyperlinks
  Add options to ActionExtension to control the behaviour if target/action are null
  PropertyChangeBase: Don't try to serialize the PropertyChangedDispatcher
  First stab at a proper README