Add some more slightly-modified benchmarks, but also make it easier to run...

Add some more slightly-modified benchmarks, but also make it easier to run them from the pypy directory

minibenchmarks/chaos.py

@@ -272,4 +272,4 @@ def main(n):
 
 
 if __name__ == "__main__":
-    main(200)
+    main(100)

src/Makefile

@@ -721,6 +721,7 @@ $1: ../test/tests/$1 ;
 $1: ../microbenchmarks/$1 ;
 $1: ../minibenchmarks/$1 ;
 $1: ../benchmarks/$1 ;
+$(patsubst %, $$1: %/$$1 ;,$(EXTRA_SEARCH_DIRS))
 )
 endef