1) I replaced the BOXLIB2D and BOXLIB3D symbols with just BOXLIB in our
   cmake stuff. This resolves #534.

2) I removed the header file for xml2makefile since it is obsolete.



git-svn-id: http://visit.ilight.com/svn/visit/trunk/src@13462 18c085ea-50e0-402c-830e-de6fd14e8384