0.1.0: [2008-01-22]
 - First public release of Unicorn
 - Add framework for duality-based error estimation (ErrorEstimation,
   SpaceTimeFunction), needs test cases and updates to UCSolver
 - Add elastic smoothing (needed by FSI)
 - Add TimeDependentPDE abstraction (should belong in DOLFIN)
 - Add variants of UCSolver: ICNS, FSI, LE, CNS
