Fixed swig compile error for CCFEMDofMap
Fixed merge conflict in shared_ptr_classes.i
Use boost::nth_element as workaround for bug in std::nth_element in
GCC 4.8.1. Performance looks unchanged.
Merged in massing/dolfin/logg/topic-ccfem (pull request #56)

Fixed swig error when wrapping CCFEMDofMap
Merge branch 'logg/topic-ccfem'