Menu updates for easier flow, Fix up 2.3 compatibility

Fix menu flow, Add explanations, Fix menu option values

This places paths inside settings instead of the reverse for devices
that cannot view the slider menu. The configuration options have been
expanded to work toward adding all emu.cfg values as visual. Options
not currently being used by the emulator are commented to avoid user
confusion.

Set all icons to default to browser, Replace duplicate icon

Organize imports and move config to main menu for < 2.3

Fix fragment display in pre 2.3 devices by restoring views