new structure
Merge branch 'master' of https://github.com/psamfass/SWE

Conflicts:
	src/SConscript
	src/blocks/rusanov/SWE_RusanovBlockNonHydrostatic.cpp
	src/blocks/rusanov/SWE_RusanovBlockNonHydrostatic.hh
	src/tools/LSEsolver.cpp