net points creation, first step

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31105 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for always-false ineqs being drawn as always-true

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31106 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3985 Initial layout

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31107 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e