Modified the following debinning files for a more sane user interface:

modified: debinningCore/__init.py
new file: debinningCore/debinningContainer.py
modified: debinningCore/debinningDemo.py
new file: debinningMath/init.py
renamed: debinningUtilities/bezierSupport.py -> debinningMath/bezierSupport.py
new file: debinningMath/dataGen.py
renamed: debinningUtilities/minimizers.py -> debinningMath/minimizers.py
renamed: debinningCore/probCalc.py -> debinningMath/orderStatistics.py
renamed: debinningUtilities/plotting.py -> debinningMath/plotting.py
renamed: debinningUtilities/sampleFunctions.py -> debinningMath/sampleFunctions.py
deleted: debinningUtilities/init__.py