Remove debug statement


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13829 bac0169d-1eea-4375-b5f6-f89d2ced9994
Another MPI comm leak fix.


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13830 bac0169d-1eea-4375-b5f6-f89d2ced9994
restore dummy_c_bindings

git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13831 bac0169d-1eea-4375-b5f6-f89d2ced9994
introduce refcounting for MPI communicators


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13832 bac0169d-1eea-4375-b5f6-f89d2ced9994