Relocated lazy-lists as top-level contrib

contrib/lazy-lists/load.factor

@@ -0,0 +1,7 @@
+PROVIDE: lazy-lists { 
+    "lists.factor"
+    "examples.factor"
+} {
+    "test/lists.factor"
+    "test/examples.factor"
+} ;

contrib/lazy-lists/test/examples.factor

@@ -0,0 +1,6 @@
+USING: lazy-examples lazy-lists test ;
+IN: temporary
+
+[ { 1 3 5 7 } ] [ 4 odds ltake list>array ] unit-test
+[ { 0 1 4 9 16 } ] [ first-five-squares ] unit-test
+[ { 2 3 5 7 11 13 17 19 23 29 } ] [ first-ten-primes ] unit-test