Work around bugs in HTML::Entities, which doesn't output strict utf8, and

DBD::mysql, which doesn't encode high characters correctly.  This shows up
in the Post synopsis, HTML::splitTag and Post->getSynopsisAndContent.

lib/WebGUI/HTML.pm

@@ -434,6 +434,7 @@ sub splitTag {
 
     while (my $token = $p->get_tag($tag)) {
         my $text = $p->get_trimmed_text("/$tag");
+        utf8::upgrade($text);  ##PATCH to work around HTML::Entities and DBD::mysql
         next if $text =~ /^([[:space:]]|[[:^print:]])*$/;    # skip whitespace
         push @result, $text;          # add the text between the tags to the result array
         last if @result == $count;    # if we have a full count then quit