Do not overwrite user settings in .vimrc


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13444 bac0169d-1eea-4375-b5f6-f89d2ced9994
Update due to change of vim.xsl


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13445 bac0169d-1eea-4375-b5f6-f89d2ced9994