Make Touch compile again

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26061 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Removed typecast to prevent importing web to html5

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26062 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
fix degenerate prisms/pyramids (when regular polygon basis as less than 3 vertices : force compute 3 vertices)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26063 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] added %= for = without list processing

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26064 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e