bugfix for compilation with gnu
Changed x-acis tics to Process * Threads instead of Process - Threads, which is more intuitive
Bugfix: Riemann solver call did not accept double precision dry tolerance, added a cast in the call now
Fixed coordinate computation for adaptive traversal
modified SWE_initialize for toyexperiments
merge conflicts fix
computation and output of required courant number if it is lower than the used courant number. linear bathymetry with initial water height zero on whole domain.