Reinstate some configure/make commands for MPICH build.


git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/branches/2.6RC/src@20174 18c085ea-50e0-402c-830e-de6fd14e8384
Adding patch by Jean Favre to support unit cell vectors in Cube files.


git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/branches/2.6RC/src@20191 18c085ea-50e0-402c-830e-de6fd14e8384
update mpiexec on osx 10.6 and beyond

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/branches/2.6RC/src@20197 18c085ea-50e0-402c-830e-de6fd14e8384
Adding FT2 file reader.


git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/branches/2.6RC/src@20217 18c085ea-50e0-402c-830e-de6fd14e8384