Merged revisions 61724-61824 via svnmerge from

Merged revisions 61724-61824 via svnmerge from
svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

........
  r61730 | martin.v.loewis | 2008-03-22 02:20:58 +0100 (Sa, 22 Mär 2008) | 2 lines

  More explicit relative imports.
........
  r61755 | david.wolever | 2008-03-22 21:33:52 +0100 (Sa, 22 Mär 2008) | 1 line

  Fixing #2446 -- 2to3 now translates 'import foo' to 'from . import foo'
........
  r61824 | david.wolever | 2008-03-24 01:30:24 +0100 (Mo, 24 Mär 2008) | 3 lines

  Fixed a bug where 'from itertools import izip' would return 'from itertools import'
........