Added DenseMatrix max/min/norm functions
Added DenseMatrix max/min/norm functions


git-svn-id: ffc1bc5b3feaf8644044862cc38c386ade156493@1504 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh