Add brackets and simplify comparison logic in `bp_xprofile_updated_profile_activity()`.

git-svn-id: https://buddypress.svn.wordpress.org/trunk@8800 cdf35c40-ae34-48e0-9cc9-0c9da1808c22
Add action hooks in the xprofile admin interface

Fixes #5674

Props Offereins

git-svn-id: https://buddypress.svn.wordpress.org/trunk@8801 cdf35c40-ae34-48e0-9cc9-0c9da1808c22
Update 2.1 credits list

git-svn-id: https://buddypress.svn.wordpress.org/trunk@8802 cdf35c40-ae34-48e0-9cc9-0c9da1808c22