Correct usage of wp_redirect().
Continue correct usage of wp_redirect().

Code alignment.
See Extended Description for full list of changes.

* First pass at adding the actions/filters and code to support the Link
add-on plugin.
* Fixes gh-58. New slug should always be created when adding an entry.
* Add .gitignore
* Correct usage of wp_redirect()
* Add redirect to to the add/edit admin form.
* Add getter/setter to cnEntry for support of the user ID for Link.
* Code clean up and alignment fixes.
* Fix bug in nonce form-field creation.
* Add French translation.
* Add "View Admin Menu" capability.