Made some stuff static in ExpressionNode, moved the linebreak flag from Kernel to StringTemplate

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25877 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
More toString adjustments in ExpressionNode

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25878 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
New Design Stylingbar.
I've added a new class OptionsBox, which is the general class for all Option Popup Boxes.
CaptionBar, ColorBar, etc. are all OptionsContents and are included in the OptionsBox.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25879 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] fix for missing brackets: x(x-1) -> x*x-1

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25880 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e