2010-02-17  tom taverner  <thomas.taverner@pnl.gov>

	* R/RGtk2DfEdit.R : improved scrolling and entry for large 
	tables, added cairoDevice for selection drawing
	
2010-02-16  tom taverner  <thomas.taverner@pnl.gov>

	* R/RGtk2DfEdit.R : row insert, coercion undo, clear contents

2010-02-16  tom taverner  <thomas.taverner@pnl.gov>

	* R/RGtk2DfEdit.R : fixed frame saving bug
	
2010-02-16  tom taverner  <thomas.taverner@pnl.gov>

	* R/RGtk2DfEdit.R : fixed frame saving bug
	
2010-02-16  tom taverner  <thomas.taverner@pnl.gov>

	* R/RGtk2DfEdit.R : fixed factor entry bug, improved speed
	of editing large data frames
	
2010-02-14  tom taverner  <thomas.taverner@pnl.gov>

	* R/RGtk2DfEdit.R : added selection rectangle drawing from 
	keyboard, added row and column copy and selection, fixed
	shift-column selection bug, added row/column name undo