Added a logger.
Removed JSON size limit of 2048 bytes for POST.
Added WsgiLog logger to application.
Added new run controller to run model configurations.
Added new FileFormatter that uses advanced Python formatting.
Added site subdirectory to WMT site setup.
Changed organization for component data.

Changed
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* Each component now gets its own folder. Each folder contains a JSON
  description as well as input files and hooks.
Merge branch 'master' of https://github.com/csdms/wmt