BUG FIX: DFTB/NDDO/SCPTB update Ewald PW environment
in case of a cell change (NPT ensemble).
Reset 5 (DFTB) regtests


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@14498 bac0169d-1eea-4375-b5f6-f89d2ced9994