Update center wizard should let me drag&drop .nbm files, in addition to the file
Reassigning to the new "autoupdate/*" owner dlipin.
Integrated into 'main-golden', will be available in build *201012090001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)
User: Jaroslav Tulach <firstname.lastname@example.org>
Log: #100820: One can drag and drop NBM files to the plugin manager dialog