Do not use an "as" specifier for URI imports.

Also rename "fileinfo" to "FileInfo" and "probes" to "Probes", to
make the default name more conventional.

Change-Id: I86ed29e299b8a9c2f40244c098d57a3ec8b68397
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>