[FIX] avoid showing Comment button etc if $prefs.wiki_comments_allow_per_page is set to 'o' ie default off and individual page comment setting is also 'off'
[FIX] avoid showing Comment button etc if $prefs.wiki_comments_allow_per_page is set to 'o' ie default off and individual page comment setting is also 'off'

git-svn-id: fe65cb8b726aa1bab0c239f321eb4f822d15ce08@49057 b456876b-0849-0410-b77d-98878d47e9d5

tikiorg/tiki,tikiorg/tiki,oregional/tiki,changi67/tiki,oregional/tiki,oregional/tiki,tikiorg/tiki,tikiorg/tiki,changi67/tiki,oregional/tiki,changi67/tiki,changi67/tiki,changi67/tiki