2007-04-15  Andreia Gaita  <avidigal@novell.com>

	* ButtonPainter.cs: refactoring of the button drawing
	that was originally located in ThemeElementsDefault
	
	* TabControlPainter.cs: refactoring of the tabcontrol
	drawing code originally located in the ThemeWin32Classic.
	Also, fixes and changes:
		- replaced most hardcoded values with properties to 
		make it easier to customize implementations.
		- fixed left and right alignment drawing problems
		- fixed flatbutton border drawing on left and
		right alignment
		- fixed #79619
		- fixed paddings, spacings and positioning.

	