[2D_RIEMANN/initproblem] removed unused imports
[2D_RIEMANN/initproblem] added missing initialization
[2D_RIEMANN] prefer pressure over energy in the initial conditions description
[2D_RIEMANN] tuned problem.par
[2D_RIEMANN] piernik.def now allows to choose RTVD. We definitely need somewhat better mechanism of choosing solver for future
Merge pull request #1 from gawrysz/2D_Riemann

2 d riemann