Some fixes related to discontinuous on-the-fly boundaries: repeated marking of moving nodes for elements which have already been moved was eliminated. Also the vector showing to global indexes in the case of discontinuous boundary was increased accordingly. 


git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@6773 04224531-1f84-46d8-96ce-875b9e37dce3