* ADD: Admin columns management;
* ADD: Text before and Text after controls for Dynamic terms widget;
* ADD: Allow to enable/disable link on term in Dynamic terms widget;
* ADD: 'queried_term' macros;
* FIX: months translation in Calendar grid widget
* ADD: rel and target controls to Dynamic Image link;
* ADD: allow to add meta boxes only for specific posts/pages;
* FIX: Checkbox meta fields processing.
