Malleefowl

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* fixed adagucserver installation
* using buildout recipes: birdhousebuilder.recipe.adagucserver, birdhousebuilder.recipe.postgres
* swift cloud access processes added.
* log to stderr/supervisor.

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* update sphinx docs.
* using birdhouse environment.
* fixed mako_cache path.

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* adagucserver with postgres added.
* fixed buildout bootstrap.
* esgf search checks local replica
* esgf archive_path changed

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* wget download with thredding.
* added log-level to settings.
* Disabled map processes.
* wget process using local file archive.
* esgsearch process added.
* Disabled restflow.
* Using dispel4py workflow engine.

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* Added wpsfetch script to retrieve test data for unit tests.

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* changed config for cache_path and cache_url.
* Cleaned up unit tests.
* download method added.