Register new snapshots. Update location of stage0's libstd

src/etc/get-snapshot.py

@@ -9,7 +9,7 @@ def unpack_snapshot(snap):
   print("opening snapshot " + dl_path)
   tar = tarfile.open(dl_path)
   kernel = get_kernel()
-  for name in old_snapshot_files[kernel]:
+  for name in snapshot_files[kernel]:
     p = "rust-stage0/" + name
     fp = os.path.join("stage0", name)
     print("extracting " + fp)

src/etc/snapshot.py

@@ -21,15 +21,6 @@ snapshot_files = {
     "winnt": ["rustc.exe", "glue.o", "lib/std.dll" ]
     }
 
-# This is a transitional list of files so that the unpacker knows to
-# use the old directory layout and the snapshotter knows to use the
-# new directory layout
-old_snapshot_files = {
-    "linux": ["rustc", "glue.o", "libstd.so" ],
-    "macos": ["rustc", "glue.o", "libstd.dylib" ],
-    "winnt": ["rustc.exe", "glue.o", "std.dll" ]
-    }
-
 def parse_line(n, line):
   global snapshotfile