Pysot

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- GUI now has support for multiple search strategies and ensemble surrogates
- Reallocation bug in the ensemble surrogates fixed
- Genetic algorithm added to search on the surrogate

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- GUI now has improved error handling
- Strategies informs the user if they get constraints when not expecting constraints (and the other way) before the run starts

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- Experimental (but not documented) GUI added. You need PySide to use it.
- Changes in testproblems.py to allow external objective functions that implement ProcessWorkerThread
- Added GUI test examples in documentation (Ackley.py, Keane.py, SphereExt.py)

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- Changed to using the logging module for all the logging in order to conform to the changes in POAP 0.1.9
- The quiet and stream arguments in the strategies were removed and the tests updated accordingly
- Turned sleeping of in the subprocess test, to avoid platform dependency issues

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- surrogate_optimizer removed, so the user now has to create his own controller
- constraint_method.py is gone, and the constraint handling is handled in specific strategies instead
- There are now two strategies, SyncStrategyNoConstraints and SyncStrategyPenalty
- The search strategies now take a method for providing surrogate predictions rather than keeping a copy of the response surface
- It is now possible for the user to provide additional points to be added to the initial design, in case a 'good starting point' is known.
- Ensemble surrogates have been added to the toolbox
- The strategies takes an additional option 'quiet' so that all of the printing can be avoided if the user wants
- There is also an option 'stream' in case the printing should be redirected somewhere else, for example to a text file. Default is printing to stdout.
- Several examples added to pySOT.test

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- Initial release