Change to absolute paths in const.py

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@21034 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Fix svn revision import

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@21036 4ae1f11a-8b86-4847-b8af-ab372f36d1fd