F77 changes + some random fixes

F77 changes + some random fixes
	* libobj7.test: Updated to reflect minor change in automake (test
	wasn't resilient enough).
	* instman.test: Updated to reflect fact that mkinstalldirs will be
	in distribution.
	* cxxonly.test: Removed.
	* Makefile.am (TESTS): Added compile_f_c_cxx.test.
	* compile_f_c_cxx.test: New file.
	* Makefile.am (TESTS): Added flink.test link_c_cxx.test
	link_f_c.test link_f_c_cxx.test link_f_cxx.test link_f_only.test.
	Removed flink.test.
	* flibs.test: New File.
	* link_c_cxx.test: New file.
	* link_f_c.test: New file.
	* link_f_c_cxx.test: New file.
	* link_f_cxx.test: New file.
	* link_f_only.test: New file.
	* Makefile.am (TESTS): Add cxxonly.test, fonly.test, flink.test,
	fnoc.test and fo.test.
	* cxxonly.test: New file.
	* fonly.test: New file.
	* flink.test: New file.
	* fnoc.test: New file.
	* fo.test: New file.