[FIX] Smarty plugins not working


git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52512 b456876b-0849-0410-b77d-98878d47e9d5
[NEW] Tiki Addons feature: Allow language customizations to be part of addon


git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52513 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] allow initialization with both slash and underscore as delimiter


git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52514 b456876b-0849-0410-b77d-98878d47e9d5