05-17-2005 Adrian E. Feiguin

All widgets and dialogs (GUI stuff) has been moved to libscigraphica. 
libsg also provides the plugin support. Two test programs are included: 
testplot and testsheet. Libscigraphica will also allow to embed plots in 
applications in a tranparent way, with all the interface and dialogs 
provided by the libraries.

Plugins provided:
- basic layers (2D, Polar, 3D)
- basic styles (scatter, lines, contour, etc)
- dataset iterators to retrieve the data (function, worksheet, file, 
matrix, python)
- toolbars
- menus
- arrays (for data editting, used for custom labels and ticks)
- functions (for fitting)

05-06-2003 Adrian E. Feiguin  
	First release
