change abs to std::abs in VectorSpaceBasis and adaptive NS demo
Add comment to documentation (Poisson example with PBCs) that mesh nodes on periodic boundaries must match up.
Plugged memory leak in HDF5-interface
Fixed some more leaks in HDF5Interface.
Updates for PETSc 3.5 release.
Spell checks
Change prococesses
Merge branch 'jan/fix-petsc-3.5'
Merge branch 'chris/fix-issue-346'
Merge branch 'oyvinev/fix-hdf5-memory-leak'
Fixes for wrapping of NumPy arrays with 64-bit linear algebra indexing.
Merge branch 'mirok/fix-issue-337'
Add test code to assembler for ghosts.
Merge branch 'garth/fix-numpy-64-bit-int-wrappers'
Merge branch 'chris/spellcheck'
Merge branch 'cilix/improve-periodic-bc-demo-doc'
Only add X11 include dir and libraries to PETSc variables on OS X when X11 is found.
Merge repairs
Merge branch 'garth/ghost-mesh-dof-map' into chris/ghost-mesh