Manual merge of runtest fixes in donut and new account test def add in master.

commit 8a101cb057
Author: Brett Chabot <brettchabot@google.com>
Date:   Tue May 5 12:56:39 2009 -0700

    runtest.py bug fixes.

    Improved error handling, and added support for "size" and "package" arguments.
    Removed deprecated runtest shell script.

testrunner/errors.py

@@ -34,6 +34,9 @@ class AbortError(Exception):
   """Generic exception that indicates a fatal error has occurred and program
   execution should be aborted."""
 
+  def __init__(self, msg="AbortError"):
+    self.msg = msg
+
 
 class ParseError(Exception):
   """Raised when xml data to parse has unrecognized format."""