convert_os_errors:  report path in StorageSpaceError and PermissionDeniedError
convert_os_errors:  report path in StorageSpaceError and PermissionDeniedError


git-svn-id: 74b2def6592cf29d88d1a5d33b5c4a2732d8507c@435 67cdc799-7952-0410-af00-57a81ceafa0f

alekibango/pyfilesystem,duedil-ltd/pyfilesystem,anthonybishopric/pyboxfs,simonluijk/pyFilesystem,pscottdevos/pyfilesystem,anthonybishopric/pyboxfs,revolunet/pyfilesystem,alekibango/pyfilesystem,pscottdevos/pyfilesystem