Android improvements
Merge branch 'master' of https://github.com/ZCH-DeliciousDishes/DeliciousDishesXamarinApp

Conflicts:
	DeliciousDishes.XamForms/DeliciousDishes.XamForms/DailyOrderService.cs
	DeliciousDishes.XamForms/DeliciousDishes.XamForms/RestService.cs