Merged fenics-project/dolfin into master
[ParallelRefinement] make use of the C++11 auto keyword
pass Sphere by reference
check SNESGetKSP error code
properly initialize some previously uninitialized data members
initialize some more uninitialized variables
use C++11 initializer list for _snes_ctx
Merged fenics-project/dolfin into master
Merge branch 'master' into coverity-fixes

Conflicts:
	dolfin/fem/DirichletBC.cpp
Corrected order of initializers
Merge branch 'nschloe/fix-coverity-issues' into next