Add close button to inspector, fixes #21
Update layout and make use of TableViewWidget
Do not crash in cache viewer if returned device is NULL
Hide preview if there is nothing to show (not even valid icon for MIME type)
Show loading indicator before views get populated, also delay a bit (100 ms) loading of bookmarks view
Show on disk location of cache entry
Remove QtSensors linking
In case of building errors please ask package maintainers first why it is needed in case of your distribution