Turtle - fixing of svg-image position. (#4721)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37591 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4705 revert back to undef not inf for If.2 after r37581

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37592 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[cas] disable TangentThroughPoint

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37593 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e