replaced install ant script with build script that also deploys
new build uses feature explorer, but handles its own compile stage
updated deployment and start script to match new build
added logging level control argument
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new servlet http service that communicates with openfire for configuration
new openfire plugin to reflect new http service
openfire and http service no longer need to be on same machine
moved http header parsing code from ogc to common util
updated collaboration http code to prefer XML instead of HTML
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