Adding a class *LagrangeInterpolator* that interpolates a GenericFunction fast onto a Lagrange function space.
Changing order of arguments in interpolate and adding unittest to /test/unit/test.py
fix to cmake script when DOLFIN_SKIP_BUILD_TESTS is set
Merge branch 'mliertzer/convert_2d_disspack_mesh' into next
Merge branch 'johanhake/multistage' into next
Merge branch 'master' into next
Merge branch 'garth/update-petsc-ksp-interface' into next
Merge branch 'garth/update-petsc-ksp-interface' into next
Merge branch 'garth/update-petsc-ksp-interface' into next
Merge branch 'nschloe/belos' into next
Merge branch 'garth/fix-bench-poisson-file-size' into next
Merge branch 'garth/fix-bench-poisson-file-size' into next
Merge branch 'martinal/fix-issue-268' into next
Merge branch 'johanhake/fix-swig-3.0' into next
Merge branch 'johanhake/fix-swig-3.0' into next
Merge branch 'garth/fix-issue-272' into next
Merge branch 'meg/fix-ffc-issue-22' into next
Add multi_file option to XDMF
Merge branch 'meg/orientation-fixes' into next
Merge branch 'johannr/fix-issue-134' into next.