[giac] return undef for distance(point(a,b),y=x^2);
fix bool/int type mismatch in desolve, disable polynomial degree bad optimization

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30511 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3907 fix for Distance[(2,0),x] in CAS

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30513 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for #3896

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30514 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@30516 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3906 added data-param-widthcrop and data-param-heightcrop to modify the applet size (like crop down the header size, etc). Only used in fullscreen applets.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30518 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e