ilastik/applets/nanshe/dataExport/nansheDataExportGui.py: Start of data export GUI.
ilastik/applets/nanshe/dataExport/nansheDataExportGui.py: Support colored label image in data export.
Fixes #20.
ilastik/applets/nanshe/dataExport/nansheDataExportApplet.py: Use modified GUI to support colored label image display in export.