Item9616: add new 1.1 Group topic forward compatibility to 1.0.10

Created a group topic on 1.1 using the API and then copied the topic to 1.0.9. The group iterator didn't appear to find any groups.

Code tested:

   if ( Foswiki::Func::isGroup($name) ) {
        return if exists $groups->{$name};    # don't reprocess groups
        $groups->{$name} = $name;

        my $it = Foswiki::Func::eachGroupMember($name);
        while ( $it->hasNext() ) {
            my $user = $it->next();
            processName( $user, $users, $groups );
        }
    }

Group tested was:

META:TOPICINFO{author="BaseUserMapping_333" comment="reprev" date="1282943579" format="1.1" reprev="1" version="1"}%

Edit this topic to add a description to the !NotifyGroup

-- GeorgeClark - 04 Sep 2010

ok, I'm going to make 1.0.10 search only for topic="*Group" rather than that and "Set GROUP =" so taht 1.0.10 is compatible with 1.1.0.

looks like I incorrectly ass-u-me-d that I'd added the getPrefs(GROUP) to tmwiki years ago - when this is actually a new 1.1 thing - I'll continue to work to make 1.0.10 compaitble before i release it.

1. search for topic=*Group
2. use getPref(GROUP)
3. add GroupView topic to topicusermapping

forward compatibility commited.

-- SvenDowideit - 04 Sep 2010

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