Update support library.
Implement SmbFile and provide basic support.
Prevent NullPointException if no filter is defined.
Update android support library.
Add full smb support.
Update README to provide guidance on smb support.
Add filter String array support.
Update README to show a String array of filters can be passed.
Move smb file processing to asynctask and add progress dialog.
Add folder selection mode.
Bump version to 2.0.