Worked on file upload script
i) now duplicate files could only be uploaded when either all files in queue are uploaded or all are cancelled.
ii) and one can drop files to entire white area for uploading.
Changeset: https://bitbucket.org/sinha/moin2/changeset/db121105bbc3
As for last 2-3 days i am not having good health, so didn't able to do much, So now starting on multi-download functionality.