ToolBar; SubToolBar

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27178 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
subtoolbar changes

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27179 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
toolbar changes

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27180 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3490 auto-create sliders for undefined variables (part 1)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27181 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Save toolbar as opened in Touch

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27182 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e