fixed issue with hru_writing with the wrong index

bin/submission_one.sh

build/includes/file_access_actor/output_container.hpp

build/makefiles/compile_copernicus.sh

build/makefiles/makefile_cluster

...e/actors/file_access_actor/cpp_code/file_access_actor.cpp

...ce/actors/file_access_actor/cpp_code/output_container.cpp

build/source/actors/hru_actor/cpp_code/hru_actor.cpp

build/summa

laugh_tests