- Update to latest tip for all FEniCS packages.
- Fix issues for DOLFIN on Cygwin.
- Add SWIG to build dependencies for FFC.
Merge pull request #263 from hashdist/johannr/fenics-updates

FEniCS updates
Correct boost to compile with clang 3.4.
Merge branch 'update_boost_155_1' into cmb-profile