Merged revisions 66985,67170,67173,67177-67179 via svnmerge from

Merged revisions 66985,67170,67173,67177-67179 via svnmerge from
svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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  r66985 | benjamin.peterson | 2008-10-20 16:43:46 -0500 (Mon, 20 Oct 2008) | 1 line

  no need to use nested try, except, finally
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  r67170 | benjamin.peterson | 2008-11-08 12:28:31 -0600 (Sat, 08 Nov 2008) | 1 line

  fix #4271: fix_imports didn't recognize imports with parenthesis (ie from x import (a, b))
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  r67173 | benjamin.peterson | 2008-11-08 17:42:08 -0600 (Sat, 08 Nov 2008) | 1 line

  consolidate test
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  r67177 | benjamin.peterson | 2008-11-09 21:52:52 -0600 (Sun, 09 Nov 2008) | 1 line

  let the metclass fixer handle complex assignments in the class body gracefully
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  r67178 | benjamin.peterson | 2008-11-10 15:26:43 -0600 (Mon, 10 Nov 2008) | 1 line

  the metaclass fixers shouldn't die when bases are not a simple name
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  r67179 | benjamin.peterson | 2008-11-10 15:29:58 -0600 (Mon, 10 Nov 2008) | 1 line

  allow the fix_import pattern to catch from imports with parenthesis
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