0526aa6904
Also fixed up comments for some inherited object methods. BUG= R=alanknight@google.com Review URL: https://codereview.chromium.org//139083003 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@31850 260f80e4-7a28-3924-810f-c04153c831b5
The sdk-introduction.md file formerly in this directory has been moved into the code in lib/docgen.dart so that it isn't dependent on this directory struture. Any edits should be done to the DEFAULT_SDK_INTRODUCTION constant in that file.