install.php: Check for exif.so

Signed-off-by: Florian Pritz <bluewind@xinu.at>
mfile->delete_id: Forgive if a dir doesn't exist

Signed-off-by: Florian Pritz <bluewind@xinu.at>
Fix handling of images with XMP instead of EXIF data

Signed-off-by: Florian Pritz <bluewind@xinu.at>
add opensuse client repo

Signed-off-by: Florian Pritz <bluewind@xinu.at>