inerface for i-PI,  path-integral driver of Michele Ceriotti


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13467 bac0169d-1eea-4375-b5f6-f89d2ced9994
 interface for i-PI


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13468 bac0169d-1eea-4375-b5f6-f89d2ced9994