Bulk actions

We do a lot of importing, exporting, and removing scripts and sessions from the workbench. Currently these actions are all done individually, per scraping session or script.

I would like a way to:
* Select multiple files in the Import dialog and import them (or even import all from a directory)
* Select multiple scripts and/or sessions in the workbench and Export or Delete them

There are means to mass

There are means to mass import. See this: http://community.screen-scraper.com/importing_and_exporting_objects

We'll need to look at ideas for mass exports.

Copying individual files into

Copying individual files into the import directory works but is less convenient than a multiple-file-select Import dialog would be if one is working within the GUI rather than in server mode.