Create shell class for the new metabox functionality.
Correct the @since version number.
First working version of the custom metabox and field api.
Merge branch 'hotfix/0.7.9.1' into feature/metabox
Merge branch 'hotfix/0.7.9.2' into feature/metabox
Add new line at end of file.
Fix bug with the shortcode option exclude_category.
Add core support foe object meta data.
Split the meta data support into an API.

The meta data is onw split into an API and a core meta box files.
Include the new meta API and core metaboxes and fields.
Add the entry admin actions to save/update meta.
Add basic method to cnEntry to retrieve meta.
Update css/js to support the metabox/fields.
Merge branch 'feature/metabox' into develop