Makefile for the new 'coupling' subdirectory

[[Imported from SVN: r6735]]

dune/gfe/coupling/Makefile.am

+# $Id: $
+
+SUBDIRS = 
+
+
+srcincludedir = $(includedir)/dune/common/coupling
+srcinclude_HEADERS = rodcontinuumcomplex.hh
+
+include $(top_srcdir)/am/global-rules