Fix input name which caused loss of email addresses on edit.
Limit the recently added entries in the dashboard widget to 10.
Add method to cnURL to retrieve URL for supplied file path.
Adjust hooks for activating templates. Init template only once and
use them globally.
Rename the default template file from card.php to card-default.php.
Complete refactor of cnTemplate.

This is to allow the use of template override files.

gh-218
Remove unneccesary filters and update action names to reflect changes
if the cnTemplate refactor.

gh-218
Add missing actions in the new cnShortcode_Connections class.
Remove unnecessary filters and rename actions.

Required for compatibility for the cnTemplate refactor.

gh-218