View source for Personas/Firefox-3.6 Endpoints

==Update Check==
Example url:
https://www.getpersonas.com/en-US/update_check/159007

Similar to the json blob used for persona installation and preview, with a few minor differences.

* id
** string
** unique id
* name
** string
* category
** string
* description
** string
* author
** 'pretty' username, used in place of username if present
* username
** string
** login for getpersonas.com
* headerURL
** string
** URL to header image
* footerURL
** string
** URL to footer image
* detailURL
** string
** link to detail page
* previewURL
** string
** URL to thumbnail of persona
* iconURL
** string
** url to 32x32 icon of persona
* dataurl
** string
** base64 encoded version of icon
* accentcolor
** string
** background color (hex) for personas
* textcolor
** string
** text color (hex)
* updateURL
** string
** URL for Firefox to ping daily for updates, 'version' attribute used to determine updates
* version
** string
** number used to determine if the persona has changed. Should increment every time the persona is updated. Unix timestamp is used on getpersonas.com