* perl/Amanda/Rest/Changers.pm, perl/Amanda/Rest/Configs.pm,
  perl/Amanda/Rest/Storages.pm: Do not accept comma in fields.
* perl/Amanda/Rest/Storages/Labels.pm: Do not accept comma in labels.
* installcheck/Amanda_Rest_Changers.pl,
  installcheck/Amanda_Rest_Configs.pl,
  installcheck/Amanda_Rest_Storages.pl: Do not use comma.


git-svn-id: https://svn.code.sf.net/p/amanda/code/amanda/trunk@5970 a8d146d6-cc15-0410-8900-af154a0219e0