Now the program calls H5close and MPI_Finalize. And has a clean exit and it doesn't complain.

It also receives the time to run via the run.conf file.
Merge branch 'master' of https://github.com/albertovelam/HIT_MPI

Conflicts:
	src/RK2.c
	src/setUp.c
Merge pull request #4 from guillemborrell/master

He arreglado el bug que hacía que todo cascara justo al final. Además ahora el tiempo se lee del run.conf