Move unix code to library/io/unix/

library/bootstrap/boot-stage2.factor

@@ -20,7 +20,7 @@ parser sequences sequences-internals words ;
     "compile" get [
         "native-io" get [
             unix? [
-                "/library/unix/load.factor" run-resource
+                "/library/io/unix/load.factor" run-resource
             ] when
         ] when
 

library/io/unix/load.factor

@@ -4,10 +4,10 @@ USING: io kernel parser sequences ;
 "/library/unix/syscalls-" os ".factor" append3 run-resource
 
 [
-    "/library/unix/syscalls.factor"
+    "/library/io/unix/syscalls.factor"
-    "/library/unix/io.factor"
+    "/library/io/unix/io.factor"
-    "/library/unix/sockets.factor"
+    "/library/io/unix/sockets.factor"
-    "/library/unix/files.factor"
+    "/library/io/unix/files.factor"
 ] [
     run-resource 
 ] each