In bp_is_user_spammer(), if user is logged-in user or displayed user, use
the already-queried userdata.

Use bp_is_user_spammer() in bp_stop_live_spammer() function.

See #4814.

git-svn-id: https://buddypress.svn.wordpress.org/trunk@6983 cdf35c40-ae34-48e0-9cc9-0c9da1808c22
On Groups > Dashboard, narrow the Status, Members, and Last Active columns

This leaves more space for the columns that have longer content, and mimics the
feel of WP's core List_Tables.

git-svn-id: https://buddypress.svn.wordpress.org/trunk@6984 cdf35c40-ae34-48e0-9cc9-0c9da1808c22