Fixes #22.
ilastik/applets/nanshe/dictionaryLearning/nansheDictionaryLearningGui.py: Provided support for drop down norm selection and removed support for other non-traditional norms.
ilastik/applets/nanshe/opMaxProjection.py: Remove singleton dimension from max projection.
ilastik/applets/nanshe/opMeanProjection.py: Make sure all instances are named as mean projections.
ilastik/applets/nanshe/opMeanProjection.py: Remove singleton dimension from mean projection.
ilastik/applets/nanshe/dataExport/opNansheDataExport.py: Use cached version of the operators for max and mean projection.
ilastik/applets/nanshe/postprocessing/nanshePostprocessingGui.py: Removed dictionary max projection.
ilastik/applets/nanshe/postprocessing/opNanshePostprocessing.py: Remove dictionary max projection output slot.
Fixes #27.
ilastik/applets/nanshe/dataExport/nansheDataExportGui.py: Override default shape.