Removed ginormous if-block
Cleaned up check for fact table.
Make sure the new items (isTimeDimension, ordinalColumn, levelType)  are written to the model.
Little cleanup (code readability)
Added validation for ordinalColumn and captionColumn (must have same table as source column)
Little cleanup (readability)
Added ability to create and save Mondrian schema XML.
Added menu item to save as Mondrian Schema XML