independent scf_env for x-ray absorption  calculations 



git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@14781 bac0169d-1eea-4375-b5f6-f89d2ced9994
 changed input for xas


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@14782 bac0169d-1eea-4375-b5f6-f89d2ced9994