[giac] fix for regroup(diff(((x^(k+1)-1)/(k+1)),x))

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25948 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Changing javagiac.dll's to the latest version in desktop/kickstart.xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25949 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@25950 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for #3275 (Colour not updated in Algebra View)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25951 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
debug message removed (#3275)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25952 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e