[IIAB] Internet-in-a-Box WSGI Performance

[Braddock]

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Hi Guys,
I've got the IIAB load time using WSGI/Apache on an XO down from 32
seconds to 5 seconds.  A New RPM is available in the yum repository,
Internet-in-a-Box version 0.4.4.

This lag is due to the python environment starting up - it doesn't
necessarily indicate a bottleneck if many clients are using iiab
simultaneously because the python environments get reused.  Although
we could probably tune it better.

The change requires a couple extra lines in the Apache config file,
documented in section "Installation as an Apache WSGI Service" of
https://github.com/braddockcg/internet-in-a-box/blob/master/INSTALL.txt

Thanks to Jerry for giving me ssh to a School Server XO to test on.

There are other areas that need performance optimization, like loading
the Wikipedia page (about 30 sec).  Working on it.

- -braddock
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