Implemented initial "combo box in the ribbon" support
Added an example on how to load DataTemplates for Dynamic Content in the Ribbon
Merge pull request #10 from MarkoVee/RibbonComboBoxSupport

Added an example on how to load DataTemplates for Dynamic Content in the...
Added binding of Content property to DataContext for the RibbonContentControl to simplify binding in the DataTemplate
Added IRibbonItem.Style support
Made RibbonComboBox.ItemsSource and RibbonComboBox.SelectedItem optional (as soon as binding might be set in the Style)
TabTitle of DocumentView now also changes when title of viewmodel changes.
Added localized resources for the Shell. Added Configuration Service for configuration of items in the Shell.
Title can now change at runtime.
Fix for loading of application Icon
Merge remote-tracking branch 'origin/LocalizationAndConfigurationSupport'

Conflicts:
	src/Orchestra.Shell/OrchestraBootstrapper.cs