Merge pull request #6 from carlosfigueira/master

Offline-enabled ToDo app for Android
updated todo sample for 2.0 release
updated the offline sample project for ios 2.0 release
Add Windows Universal offline sample
Add Xamarin.Android offline sample
Add Xamarin.iOS offline sample
Merge pull request #8 from lindydonna/windows-offline

Add Windows Universal offline sample
Merge pull request #9 from lindydonna/xamarin-android

Add Xamarin.Android offline sample
Allow viewing completed items with incremental sync against completed items
Merge pull request #11 from wesmc7777/master

Allow viewing completed items with incremental sync against completed it...
Merge pull request #10 from lindydonna/master

Add Xamarin.iOS offline sample
Merge pull request #7 from hasankhan/master

changes for 2.0 preview release
Update iOS offline sample so that it doesn't sync data on app launch
Merge pull request #14 from lindydonna/master

Update iOS offline sample so that it doesn't sync data on app launch