BlobStorage File Listing method changed & Data Binding to FileList
Merge branch 'master' into hongkun

Conflicts:
	PintheCloud/Managers/SkyDriveManager.cs
	PintheCloud/Pages/ExplorerPage.xaml.cs
	PintheCloud/Pages/FileListPage.xaml.cs
	PintheCloud/Utilities/FileObjectConverter.cs
changed Global Key
Write comments & clean source codes to look nice
Merge branch 'master' into hongkun
adding comment little bit more