message: Mentioned the switch to astyle-3.1 in CHANGELOG
diff: Version 4.3.1 (development)
  ===========================
  +- Switched from Artistic Style (astyle) version 2.05.1 to version 3.1 for code
  + formatting. See the "make style" target.
  +
  - Added support for hr-adaptivity using TMOP-based error estimator.
  - Adding lowest order Nedelec and Raviart-Thomas basis functions on wedge
  