Updated the alternative strategy (instead of eio-library) for mesh loading.


git-svn-id: svn+ssh://svn.code.sf.net/p/elmerfem/code/trunk@6559 04224531-1f84-46d8-96ce-875b9e37dce3
fix cubic spline end conditions...


git-svn-id: svn+ssh://svn.code.sf.net/p/elmerfem/code/trunk@6560 04224531-1f84-46d8-96ce-875b9e37dce3