Moved Settings module files from Gemini.Demo to Gemini project.
Updated project files and namespaces after Settings module files move.
Basic settings view implementation.
Renamed and moved settings menu item.
Renamed Show.Dialog method. Added Show.Dialog for modal windows. Changed settings view to open method to modal.
Added shortcut keys to tools menu and options menu item
Added application settings to Gemini project. Added AutoHideMainMenu setting and related code.
Added main menu settings UI.
Changed settings view page view model to host a collection of settings editors.
Added demo application settings.
Fixed main menu initialization from settings.
Tweaks settings view styling and pre-select first settings page
Add missing namespace import
Add note about XNA to readme
AppBootstrapper.Container is now protected.
Make AppBootstrapper.Container a property
added indexer for main menu children
added possibility to remove menu items
the safe way to improve the 'open' menu item
Menu localisation

- Added option to set name of menu item independently from text.
- Moved menu texts to resource file.