* NSAttributedString.m sizeWithAttributes: implement tab support.
* NSStringDrawing.m sizeWithAttributes: implement tab support.
* NSScroller.m trackScrollButtons: add temporary hack in support of XRAW's
heavily optimized scrolling machinery.
* NSScroller.m remove sendAction:to:
* NSScrolView.m _doScroll: implement scroller update when scrolling via
buttons
* NSScrolView.m reflectScrolledClipView comment out setNeedsDisplay as it
causes display flicker.
* NSText.m add changes from Daniel B�hringer, set initFrame to default
values to prevent infinite loop in rebuildLineLayout, minor tweaks
* NSView.m minor optimiztions.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@3071 72102866-910b-0410-8b05-ffd578937521