Add bp friendpress as part of the buddypress default install

[shawn38]

This is just a proposal but I think bp friendpress this should be a core component. It should be up to the user of course just like they can uncheck one of the buddypress components if it is not critical to their install. I hope you will give this consideration in the future releases of buddypress as I beleive the activity stream behavior is a bit more geared toward what most people expect the activity behavior to be. Thank you!