Several improvements and bugs fixed in the auxiliary RI-MP2 basis
optimizer, added the BASIS_RI_cc-TZ file (tests/QS/ folder) containing
primary and RI auxiliary basis at TZ level for the most common elements.
Some additional files have been prettified.


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@14123 bac0169d-1eea-4375-b5f6-f89d2ced9994