Add generate-benchmark script.

	* Makefile.am: Add a marker to append sub-directories.
	* configure.ac: Add a marker to append config files.
	* tools/generate-benchmark.sh: New generate-benchmark script.
Add fac benchmark.

	* Makefile.am: Add fac with generate-benchmark script
	* Makefile.in: Regenerate
	* analysis/simulator.in: Add fac
	* configure: Regenerate
	* configure.ac: Add fac with generate-benchmark script
	* src/fac/Makefile.am: Generated with generate-benchmark script
	* src/fac/Makefile.in: Regenerate
	* src/fac/fac.c: Import fac benchmark from WCET
Add fir benchmark.

	* Makefile.am: Add fir with generate-benchmark script
	* Makefile.in: Regenerate
	* analysis/simulator.in: Add fir
	* configure: Regenerate
	* configure.ac: Add fir with generate-benchmark script
	* src/fir/Makefile.am: Generated with generate-benchmark script
	* src/fir/Makefile.in: Regenerate
	* src/fir/fir.c: Import fir from WCET
Add insertsort benchmark.

	* Makefile.am: Add insertsort with generate-benchmark script
	* Makefile.in: Regenerate
	* analysis/simulator.in: Add insertsort
	* configure: Regenerate
	* configure.ac: Add insertsort with generate-benchmark script
	* src/insertsort/Makefile.am: Generated with generate-benchmark script
	* src/insertsort/Makefile.in: Regenerate
	* src/insertsort/insertsort.c: Import insertsort from WCET
Add ludcmp benchmark.

	* Makefile.am: Add ludcmp with generate-benchmark script
	* Makefile.in: Regenerate
	* analysis/simulator.in: Add ludcmp
	* configure: Regenerate
	* configure.ac: Add ludcmp with generate-benchmark script
	* src/ludcmp/Makefile.am: Generated with generate-benchmark script
	* src/ludcmp/Makefile.in: Regenerate
	* src/ludcmp/ludcmp.c: Import ludcmp from WCET