corrected outputs in test case GL_MISMIP

git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@7013 04224531-1f84-46d8-96ce-875b9e37dce3
Resolve some scaling issues with mortar bcs.


git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@7014 04224531-1f84-46d8-96ce-875b9e37dce3