- merge various windows and other fixes from Ollie Rutherfurd
1179: changed diff help example to -r1..2 from deprecated -r1:2 1178: fixed \r\n -> \n conversion in branch._check_format 1177: disable urlgrabber on win32, since it converts / -> \ 1176: changed assert path.startswith('./') -> '.'+os.sep in merge.py 1175: replaced os.spawnvp with subprocess.call in msgeditor.py 1174: os.name == 'windows' -> 'nt', check for %EDITOR% on win32 1173: fixed bzr mv filename newfilename, re-enabled test_mv_modes