#19 Add HTTP support for dynamic page generation

[Kevin Rogers]

Add the initial support for dynamic page generation
using Jetty to provide the HTTP support.

Packages should be mapped onto the URIs in such a way
that a package would be like a folder, probably a
collection in WEBDAV terms.

File extension determines how the variable contents are
rendered and hence the content-type of the data
returned. e.g. you can request the same variables with
an extension of ".txt", ".xml", ".html" or whatever. In
the future this will include PDF, JPEG, PNG and all sorts.

[Kevin Rogers]

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I've had a bit of a browse and on reflection there is no
partcular reason to use Jetty. There are other Java HTTP
servers available, including:

Jo! - http://www.tagtraum.com/jo.html
Simple - http://simpleweb.sourceforge.net/
Pygmy - http://pygmy-httpd.sourceforge.net/

Of these, I think Simple is the most promising

[Kevin Rogers]

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although it hasn't been updated in a while, this one is worth a
look:

http://sourceforge.net/projects/seda/