Add a CONTRIBUTING.md file
Add a minimal README.md file for GitHub
add a browserid.pot file
Update CONTRIBUTING.md with a section about i18n
Localization updates

* Move all .mo and .po files to languages
* Add plugin domain to more strings.
Allow the user to specify alternate Persona source locations.

fixes #31
Merge pull request #28 from KryDos/master

remove options after plugin has been deactivated

@KryDos - tested, works well for me! Thank you very much!

r+
Fix input fields that are unable to have an apostrophe.

Print the HTML escaped version of the value when printing an input box.

fixes #33.