[giac] fix for fisher_cdf with inf arg, int(1/x^2,x,0,inf), igamma with negative 2nd arg

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37384 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
SetPointSize[polygon, size] 

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37385 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@37386 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e