fold with nested table
Added fix for WK-87 for handling null node values

getValue needs to check for nulls at many stages
TemplateTermSetPopulator needs to check for null values earlier
Refactored out RDF generation functions from TestCSVFileRdfGenerator
Force null StringCellValue to empty string

Will hopefully avoid headaches in the future.
Should probably be abstracted with a factory so we return the
StringCellValue emptyString
bug fix for unfold
fix bugs for character case
Merge branch 'development' of github.com:InformationIntegrationGroup/Web-Karma into development
substitute / with _
improve the speed of loading ontologies
WK-113: Create a save-as-json command. Still needs offline handling.
Merge branch 'development' of https://github.com/InformationIntegrationGroup/Web-Karma into development
WK-114: XML files imported twice
text change for save as json dialog
fix issue: charts not appearing after organize columns
Fix for WK-24: Display messed up when column contains all empty nested tables
Version 2.002
Merge branch 'development'