Move the contents of the lib directory back to the root directory

* This allows the "Settings" link to show up in the plugins list.
* Update the l10n scripts.
Move the contents of the lib directory back to the root directory

* This allows the "Settings" link to show up in the plugins list.
* Update the l10n scripts.
Move the contents of the lib directory back to the root directory

* This allows the "Settings" link to show up in the plugins list.
* Update the l10n scripts.
Add the ability to select any of the 3 Persona buttons styles.

fixes #34
Bring the Persona button back for comment submission

fixes #38