[BUGFIX] Prefix absolute URL to page in Accordion "href" attribute

Added {v:page.absoluteUrl()} to the HREF to get the full URL.
This is needed when using BaseURL because of User Friendly URL Names such as with RealURL.

Tested.
Merge pull request #13 from grimmcreative/patch-3

[BUGFIX] Prefix absolute URL to page in Accordion "href" attribute