Just littles fixes + Fix on StraggeredGridView

Signed-off-by: Sebastien MICHEL <michoux@gmail.com>
New version

Signed-off-by: Sebastien MICHEL <michoux@gmail.com>
Remove Dump strings

On some devices ImageDescription and UserComment fields are filled with
dumb infos. hiding this dumb strings.

Signed-off-by: Sebastien MICHEL <michoux@gmail.com>