Use element access operator in RankTwoTensor (#4183)
Use element access operator in RankFourTensor (#4183)
Fix ColumnMajorMatrix (#4291)
Allow negative Cartesian axis with constrain_axial_motion = false refs #4295
Test for minumum PETSc version for dgetri (#4291)
Merge pull request #4294 from dschwen/tensorvals_4183

Use the element access operator in the Tensor classes
Merge pull request #4292 from dschwen/petsclapack_4291

Use PETSc LAPACK wrapper calls in  ColumnMajorMatrix
Merge pull request #4296 from backmari/disp_about_axis

Allow negative Cartesian axis with constrain_axial_motion = false