#13 Allow .exe and other downloads by URL request

[Bill Thies]

According to a journalist from India that has helped us
with publicity, there is a big demand to download
freeware using TEK. But we currently don't support URL
requests for any file types other than text-based
formats (.html, .txt). It shouldn't be hard to
download binaries and send them as attachments that
open when the user clicks on them.

Will need to adjust the allowed file types (in
NaiveFetchURLs?) and also check/debug the opening
process on the client side.

Should notify "Soundara Rajan N.S"
<searchlight@sancharnet.in> when this is done.

[Bill Thies]

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Update: we now support .ps and .pdf downloads, by
converting them to .html. Also, a new download module
called WgetFetchURLs can seamlessly handle all file types.

The only thing remaining to do on this ticket is provide a
good user interface on the client side for viewing,
searhing, managing, and requesting other file types (e.g.,
.exe files).