user_timeline.json with retweet
tweet.json with instgram and retweet by myself
add TweetBase.cs
add Retweet by user
remove TweetBase.cs
remove "refreshed" "loaded" method
tweet.json official retweet
official retweet
Merge branch 'master' into Retweet

Conflicts:
	Chicken/Chicken.csproj
	Chicken/Model/Retweet.cs
	Chicken/SampleData/user_timeline.json
	Chicken/Service/Implementation/TweetService.cs
	Chicken/View/StatusPage.xaml
	Chicken/ViewModel/Status/VM/StatusDetailViewModel.cs
	Chicken/ViewModel/ViewModelBase.cs
add Retweet.cs