properties files and related resources automatically updated from ggbtrans

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30463 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Avoid huge and tiny coefficients only for x*x, y*y, x*y

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30464 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Compare delta to b*b instead of to 1

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30465 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e