Add again useVmConfiguration for deprecation purposes. This requires adding a

tools/publish_pkg.py

 #!/usr/bin/env python
 #
 # 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.
 #
 # Script to push a package to pub.
 #
 # Usage: publish_pkg.py pkg_dir
 #
@@ skipping 142 matching lines @@
 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ''');
 
   replaceInFiles.append(
-    (r'(import|part)(\s+)(\'|")(\.\./)+pkg/', r'\1\2\3package:'))
+    (r'(import|part)(\s+)(\'|")(\.\./)+pkg/([^/]+/)lib/', r'\1\2\3package:\5'))
 
   # Replace '../*/pkg' imports and parts.
   for root, dirs, files in os.walk(os.path.join(tmpDir, pkgName)):
     # TODO(dgrove): Remove this when dartbug.com/7487 is fixed.
     if '.svn' in dirs:
       shutil.rmtree(os.path.join(root, '.svn'))
     for name in files:
       if name.endswith('.dart'):
         ReplaceInFiles([os.path.join(root, name)], replaceInFiles)
 
   print 'publishing version ' + version + ' of ' + argv[1] + ' to pub.\n'
   subprocess.call(['pub', 'publish'], cwd=os.path.join(tmpDir, pkgName))
   shutil.rmtree(tmpDir)
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))