Add web service client first method
Add base testcase for simple async waiting
Extend model
Add base models and forwarding to mainpage in main project
Add Microsoft.Bcl.Async and some testing
Add simple background converter
Little refactor for usage app resources and prepare for themes
Add testcase for background color converter
Update tests
Add Page property into baseview model and add binding
Refactor MainPageViewModel and abstract webservice
Update webserice test
Clean