start with net for convex polyhedron

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30755 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Workaround for __APPLE_CC__ problem


git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30756 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
fix for #3856: [cas] problem with inequality post-processing eg Solve[exp(x)<2]

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30757 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Changing giac.js to the latest version in web/kickstart.xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30759 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e