Bring in the latest version of Pub and various packages.

DEPS

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 vars = {
   # The dart_root is the root of our sdk checkout. This is normally
   # simply sdk, but if using special gclient specs it can be different.
   "dart_root": "sdk",
 
   # The svn location to pull out dependencies from
@@ skipping 68 matching lines @@
   "nss_rev": "@87b96db4268293187d7cf741907a6d5d1d8080e0",
   "oauth2_rev": "@1bff41f4d54505c36f2d1a001b83b8b745c452f5",
   "observe_rev": "@eee2b8ec34236fa46982575fbccff84f61202ac6",
   "observatory_pub_packages_rev": "@cdc4b3d4c15b9c0c8e7702dff127b440afbb7485",
   "package_config_rev": "@0.1.3",
   "path_tag": "@1.3.6",
   "petitparser_rev" : "@37878",
   "ply_rev": "@604b32590ffad5cbb82e4afef1d305512d06ae93",
   "plugin_tag": "@0.1.0",
   "pool_rev": "@e454b4b54d2987e8d2f0fbd3ac519641ada9bd0f",
-  "pub_rev": "@d90268693d1a9dbe5ea11cd9c80b842e3bf1581c",
+  "pub_rev": "@1c08b841158e33b8090bb07e5c39df830db58d44",
   "pub_cache_tag": "@v0.1.0",
   "pub_semver_tag": "@1.2.1",
   "quiver_tag": "@0.21.4",
   "root_certificates_rev": "@c3a41df63afacec62fcb8135196177e35fe72f71",
   "scheduled_test_tag": "@0.12.1+2",
-  "shelf_rev": "@1e87b79b21ac5e6fa2f93576d6c06eaa65285ef4",
+  "shelf_tag": "@0.6.2+1",
   "smoke_rev" : "@f3361191cc2a85ebc1e4d4c33aec672d7915aba9",
   "source_maps_tag": "@0.10.1",
   "sqlite_rev": "@38811b79f42801662adc0458a25270ab690a6b81",
-  "shelf_static_rev": "@v0.2.1",
-  "shelf_web_socket_rev": "@ff170cec2c0e4e5722cdf47c557be63b5035a602",
+  "shelf_static_tag": "@0.2.3+1",
+  "shelf_web_socket_tag": "@0.0.1+4",
   "source_map_stack_trace_tag": "@1.0.4",
-  "source_span_tag": "@1.1.2",
+  "source_span_tag": "@1.2.0",
   "stack_trace_tag": "@1.3.4",
-  "string_scanner_rev": "@3e7617d6f74ba382e9b6130b1cc12091d89a9bc5",
+  "string_scanner_tag": "@0.1.4",
   "sunflower_rev": "@879b704933413414679396b129f5dfa96f7a0b1e",
   "test_tag": "@0.12.3+8",
   "test_reflective_loader_tag": "@0.0.3",
   "utf_rev": "@1f55027068759e2d52f2c12de6a57cce5f3c5ee6",
   "unittest_tag": "@0.11.6",
   "usage_rev": "@b5080dac0d26a5609b266f8fdb0d053bc4c1c638",
   "watcher_tag": "@0.9.7",
   "when_tag": "@0.2.0+2",
   "which_tag": "@0.1.3+1",
   "web_components_rev": "@0e636b534d9b12c9e96f841e6679398e91a986ec",
@@ skipping 153 matching lines @@
       (Var("github_mirror") % "pub") + Var("pub_rev"),
   Var("dart_root") + "/third_party/pkg/pub_cache":
       (Var("github_mirror") % "pub_cache") + Var("pub_cache_tag"),
   Var("dart_root") + "/third_party/pkg/quiver":
       Var("chromium_git")
       + "/external/github.com/google/quiver-dart.git"
       + Var("quiver_tag"),
   Var("dart_root") + "/third_party/pkg/scheduled_test":
       (Var("github_mirror") % "scheduled_test") + Var("scheduled_test_tag"),
   Var("dart_root") + "/third_party/pkg/shelf":
-      (Var("github_mirror") % "shelf") + Var("shelf_rev"),
+      (Var("github_mirror") % "shelf") + Var("shelf_tag"),
   Var("dart_root") + "/third_party/pkg/shelf_static":
-      (Var("github_mirror") % "shelf_static") + Var("shelf_static_rev"),
+      (Var("github_mirror") % "shelf_static") + Var("shelf_static_tag"),
   Var("dart_root") + "/third_party/pkg/shelf_web_socket":
       (Var("github_mirror") % "shelf_web_socket") +
-      Var("shelf_web_socket_rev"),
+      Var("shelf_web_socket_tag"),
   Var("dart_root") + "/third_party/pkg/smoke":
       (Var("github_mirror") % "smoke") + Var("smoke_rev"),
   Var("dart_root") + "/third_party/pkg/source_maps":
       (Var("github_mirror") % "source_maps") + Var("source_maps_tag"),
   Var("dart_root") + "/third_party/pkg/source_span":
       (Var("github_mirror") % "source_span") + Var("source_span_tag"),
   Var("dart_root") + "/third_party/pkg/source_map_stack_trace":
       (Var("github_mirror") % "source_map_stack_trace") +
       Var("source_map_stack_trace_tag"),
   Var("dart_root") + "/third_party/pkg/stack_trace":
       (Var("github_mirror") % "stack_trace") + Var("stack_trace_tag"),
   Var("dart_root") + "/third_party/pkg/string_scanner":
       (Var("github_mirror") % "string_scanner") +
-      Var("string_scanner_rev"),
+      Var("string_scanner_tag"),
   Var("dart_root") + "/third_party/sunflower":
       (Var("github_mirror") % "sample-sunflower") +
       Var("sunflower_rev"),
   Var("dart_root") + "/third_party/pkg/test":
       (Var("github_mirror") % "test") + Var("test_tag"),
   Var("dart_root") + "/third_party/pkg/test_reflective_loader":
       (Var("github_mirror") % "test_reflective_loader") +
       Var("test_reflective_loader_tag"),
   Var("dart_root") + "/third_party/pkg/unittest":
       (Var("github_mirror") % "test") + Var("unittest_tag"),
@@ skipping 91 matching lines @@
       "--bucket",
       "dart-dependencies",
       "--recursive",
       "--auto_platform",
       "--extract",
       "--directory",
       Var('dart_root') + "/tools/sdks",
     ],
   },
 ]