Profile Visibility Settings:

* Rename template functions to match existing functions (profile VS xprofile)
* Allow passing of `field_id` so they can be used outside of the profile field loop.
* Allow before/after in radio buttons output.
* See #5352.

git-svn-id: https://buddypress.svn.wordpress.org/trunk@8210 cdf35c40-ae34-48e0-9cc9-0c9da1808c22