Removing legacy DataEditorPart and related code
Added MoveGroup and MoveProjectData commands and handlers
Merge branch 'dev' into mullins

Conflicts:
	Application.e4xmi
Changed 'Group' to 'Folder' throughout
Added ITextViewable interface and UneditableTextViewer to support
displaying arbitrary ProjectData as uneditable text.
Updated filename generation for Results/Visualizations, implemented KVR
getAsPlaintext, and renamed ITextViewable to IPlaintextViewable.
Visualizations automatically open when generated now and spacing on
AboutWizard columns have been fixed. Also fixed a misnamed handler in
Application.e4xmi.
Merge branch 'mullins' into dev